財務報表-損益表 / 單位(千)元 
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                      請選擇全年/半年報表
                          
                         
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					 全年報 	
   
                          
                            | 項目/年度 | 
                            92 | 
                            93 | 
                            94 | 
                            95 | 
                            96 | 
                            97 | 
                             
												                          						                     
                            | 營業收入 | 
                            225,062 | 
                            271,843 | 
                            296,893 | 
                            268,922 | 
                            342,406 | 
                            454,793 | 
       
														                          						                     
                            | 營業成本 | 
                            160,854 | 
                            201,822 | 
                            254,514 | 
                            228,995 | 
                            277,812 | 
                            402,005 | 
       
														                          						                     
                            | 營業毛利損 | 
                            64,208 | 
                            70,021 | 
                            42,379 | 
                            39,927 | 
                            64,594 | 
                            52,788 | 
       
														                          						                     
                            | 營業費用 | 
                            43,788 | 
                            46,380 | 
                            46,879 | 
                            42,853 | 
                            42,467 | 
                            47,460 | 
       
														                          						                     
                            | 營業損益 | 
                            20,420 | 
                            23,641 | 
                            -4,500 | 
                            -2,926 | 
                            22,127 | 
                            5,328 | 
       
														                          						                     
                            | 營業外收入 | 
                            2,413 | 
                            9,157 | 
                            8,508 | 
                            4,897 | 
                            6,207 | 
                            10,739 | 
       
														                          						                     
                            | 營業外支出 | 
                            9,376 | 
                            10,623 | 
                            2,403 | 
                            4,826 | 
                            3,940 | 
                            7,453 | 
       
														                          						                     
                            | 稅前損益 | 
                            13,457 | 
                            22,175 | 
                            1,605 | 
                            -2,855 | 
                            24,394 | 
                            8,614 | 
       
														                          						                     
                            | 所得稅費用利益 | 
                            812 | 
                            2,018 | 
                            8,376 | 
                            4,438 | 
                            1,374 | 
                            4,830 | 
       
														                          						                     
                            | 稅後損益 | 
                            12,645 | 
                            20,157 | 
                            -6,771 | 
                            -6,323 | 
                            23,020 | 
                            3,784 | 
       
														                          						                     
                            | 期末股本 | 
                            - - | 
                            124,680 | 
                            124,680 | 
                            124,680 | 
                            - - | 
                            - - | 
       
														                          						                     
                            | 普通股每股盈餘 | 
                            1.010 | 
                            1.620 | 
                            -0.540 | 
                            -0.510 | 
                            1.860 | 
                            0.310 | 
       
														                          						                     
                            | 簡單每股盈餘 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
       
														                          						                     
                            | 完全稀釋每股盈餘 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
       
								  	                        
                           	
				
					   
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                      財務報表-資產負債表 / 單位(千)元  | 
                     
                    
                      請選擇全年/半年報表
                        
                        
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					    全年報
                        
                          
                            | 項目/年度 | 
                            92 | 
                            93 | 
                            94 | 
                            95 | 
                            96 | 
                            97 | 
                           
						  
						  
                          
                            | 流動資產 | 
                            224,804 | 
                            215,597 | 
                            182,145 | 
                            165,976 | 
                            213,514 | 
                            204,734 | 
                           
                  		  
                          
                            | 現金及約當現金 | 
                            26,184 | 
                            30,870 | 
                            28,797 | 
                            16,669 | 
                            56,005 | 
                            36,871 | 
                           
                  		  
                          
                            | 短期投資 | 
                            64,586 | 
                            49,762 | 
                            12,047 | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應收票據淨額 | 
                            12,576 | 
                            2,999 | 
                            420 | 
                            6,303 | 
                            809 | 
                            7,984 | 
                           
                  		  
                          
                            | 應收短期票據 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應收票據–關係人淨額 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應收帳款淨額 | 
                            36,940 | 
                            32,452 | 
                            57,697 | 
                            30,269 | 
                            47,095 | 
                            51,555 | 
                           
                  		  
                          
                            | 應收帳款–關係人淨額 | 
                            - - | 
                            - - | 
                            1,758 | 
                            5,474 | 
                            14,426 | 
                            4,847 | 
                           
                  		  
                          
                            | 其他應收款項 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他應收款項–關係人 | 
                            895 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 存貨 | 
                            831 | 
                            1,070 | 
                            35 | 
                            26 | 
                            22 | 
                            18 | 
                           
                  		  
                          
                            | 預付款項 | 
                            76,652.000 | 
                            78,762.000 | 
                            66,080.000 | 
                            58,967.000 | 
                            61,579.000 | 
                            52,002.000 | 
                           
                  		  
                          
                            | 預付費用 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他流動資產 | 
                            6,140.000 | 
                            4,609.000 | 
                            311.000 | 
                            1,492.000 | 
                            4,752.000 | 
                            1,774.000 | 
                           
                  		  
                          
                            | 基金及長期投資 | 
                            17,093 | 
                            19,035 | 
                            41,619 | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 長期投資 | 
                            17,093 | 
                            19,035 | 
                            41,619 | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 固定資產 | 
                            10,876 | 
                            7,771 | 
                            10,758 | 
                            7,076 | 
                            7,319 | 
                            6,519 | 
                           
                  		  
                          
                            | 無形資產 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他資產 | 
                            14,366 | 
                            13,482 | 
                            10,407 | 
                            8,771 | 
                            5,633 | 
                            9,806 | 
                           
                  		  
                          
                            | 存出保證金 | 
                            3,631 | 
                            2,970 | 
                            2,688 | 
                            5,643 | 
                            2,440 | 
                            2,689 | 
                           
                  		  
                          
                            | 遞延費用 | 
                            1,680 | 
                            1,189 | 
                            1,426 | 
                            1,318 | 
                            1,149 | 
                            1,517 | 
                           
                  		  
                          
                            | 遞延所得稅資產 | 
                            - - | 
                            7,803 | 
                            4,440 | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他資產–其它 | 
                            273 | 
                            1,520 | 
                            1,853 | 
                            1,810 | 
                            2,044 | 
                            2,291 | 
                           
                  		  
                          
                            | 資產總額 | 
                            267,139 | 
                            255,885 | 
                            244,929 | 
                            221,897 | 
                            257,274 | 
                            259,834 | 
                           
                  		  
                          
                            | 負債及股東權益總額 | 
                            267,139 | 
                            255,885 | 
                            244,929 | 
                            221,897 | 
                            257,274 | 
                            259,834 | 
                           
                  		  
                          
                            | 流動負債 | 
                            92,473 | 
                            73,593 | 
                            82,096 | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 短期借款 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應付短期票券 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應付票據 | 
                            11,215 | 
                            304 | 
                            - - | 
                            - - | 
                            157 | 
                            - - | 
                           
                  		  
                          
                            | 應付票據–關係人淨額 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應付帳款 | 
                            17,929 | 
                            10,136 | 
                            28,228 | 
                            13,853 | 
                            21,225 | 
                            18,293 | 
                           
                  		  
                          
                            | 應付帳款–關係人淨額 | 
                            - - | 
                            - - | 
                            171 | 
                            2,516 | 
                            372 | 
                            660 | 
                           
                  		  
                          
                            | 應付所得稅 | 
                            - - | 
                            - - | 
                            385 | 
                            - - | 
                            1,149 | 
                            2,830 | 
                           
                  		  
                          
                            | 應付費用 | 
                            22,105 | 
                            19,782 | 
                            12,467 | 
                            10,634 | 
                            18,558 | 
                            22,779 | 
                           
                  		  
                          
                            | 其他應付款項–關係人 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他應付款項 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 一年或一營業週期內到期長期負債 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 預收款項 | 
                            39,000 | 
                            38,322 | 
                            37,584 | 
                            34,244 | 
                            30,767 | 
                            33,693 | 
                           
                  		  
                          
                            | 其他流動負債 | 
                            2,224 | 
                            5,049 | 
                            3,261 | 
                            4,018 | 
                            4,639 | 
                            3,636 | 
                           
                  		  
                          
                            | 長期負債 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 長期借款 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他負債 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 負債總額 | 
                            92,473 | 
                            73,593 | 
                            82,096 | 
                            65,265 | 
                            76,867 | 
                            81,891 | 
                           
                  		  
                          
                            | 股本 | 
                            124,680 | 
                            124,680 | 
                            124,680 | 
                            124,680 | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 普通股股本 | 
                            124,680 | 
                            124,680 | 
                            124,680 | 
                            124,680 | 
                            124,680 | 
                            124,680 | 
                           
                  		  
                          
                            | 股本–其它 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 待分配股票股利 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 資本公積 | 
                            24,685 | 
                            24,685 | 
                            24,685 | 
                            24,685 | 
                            24,685 | 
                            24,685 | 
                           
                  		  
                          
                            | 保留盈餘 | 
                            25,465 | 
                            34,350 | 
                            14,000 | 
                            7,677 | 
                            30,697 | 
                            27,192 | 
                           
                  		  
                          
                            | 法定盈餘公積 | 
                            2,482 | 
                            3,747 | 
                            5,762 | 
                            5,762 | 
                            5,762 | 
                            8,064 | 
                           
                  		  
                          
                            | 未提撥保留盈餘 | 
                            22,983 | 
                            30,603 | 
                            8,238 | 
                            1,915 | 
                            24,935 | 
                            19,128 | 
                           
                  		  
                          
                            | 未實現長期股權投資損失 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 累積換算調整數 | 
                             | 
                             | 
                            43 | 
                            469 | 
                            1,791 | 
                            2,832 | 
                           
                  		  
                          
                            | 金融商品未實現損益 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 未認列為退休金成本之淨損失 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 股東權益總額 | 
                            174,666 | 
                            182,292 | 
                            162,833 | 
                            156,632 | 
                            180,407 | 
                            177,943 | 
                           
                         
						 
						 
                         
						
							 
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