CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
¥ in Thousands, $ in Thousands
Outstanding ordinary shares
CNY (¥)
shares
Additional paid-in capital
CNY (¥)
Treasury shares
CNY (¥)
Statutory reserves
CNY (¥)
Retained earnings
CNY (¥)
Accumulated other comprehensive loss
CNY (¥)
USD ($)
shares
CNY (¥)
shares
Balance at Dec. 31, 2012 ¥ 343 ¥ 536,173 ¥ (58,003) ¥ 9,502 ¥ 63,183 ¥ (3,812)   ¥ 547,386
Balance (in shares) at Dec. 31, 2012 | shares 48,130,944              
Increase (Decrease) in Shareholders' Equity                
Net income         63,656     63,656
Issuance of ordinary shares upon exercise of options ¥ 6 8,103           8,109
Issuance of ordinary shares upon exercise of options (in shares) | shares 981,992              
Use of ordinary shares under depository for exercise of options (in shares) | shares (81,992)              
Share-based compensation   10,428           10,428
Appropriation to statutory reserves       472 (472)      
Repurchase of ordinary shares     (33,097)         (33,097)
Dividend distribution to shareholders   (48,246)           (48,246)
Foreign currency translation adjustments           (9,018)   (9,018)
Balance at Dec. 31, 2013 ¥ 349 506,458 (91,100) 9,974 126,367 (12,830)   539,218
Balance (in shares) at Dec. 31, 2013 | shares 49,030,944              
Increase (Decrease) in Shareholders' Equity                
Net income         20,107     20,107
Issuance of ordinary shares upon exercise of options ¥ 5 8,699           8,704
Issuance of ordinary shares upon exercise of options (in shares) | shares 647,269              
Issuance of ordinary shares to depository for future exercise of options (in shares) | shares 252,731              
Share-based compensation   9,562           9,562
Appropriation to statutory reserves       129 (129)      
Repurchase of ordinary shares     (26,380)         (26,380)
Dividend distribution to shareholders   (165,951)           (165,951)
Foreign currency translation adjustments           1,780   1,780
Balance at Dec. 31, 2014 ¥ 354 358,768 (117,480) 10,103 146,345 (11,050)   ¥ 387,040
Balance (in shares) at Dec. 31, 2014 | shares 49,930,944           49,930,944 49,930,944
Increase (Decrease) in Shareholders' Equity                
Net income         25,424   $ 3,926 ¥ 25,424
Issuance of ordinary shares upon exercise of options ¥ 4 8,373           8,377
Issuance of ordinary shares upon exercise of options (in shares) | shares 743,440              
Issuance of ordinary shares to depository for future exercise of options (in shares) | shares 156,560              
Share-based compensation   12,730           12,730
Appropriation to statutory reserves       38 (38)      
Cancellation of treasury shares ¥ (8) (28,075) 28,083          
Cancellation of treasury shares (in shares) | shares (1,249,335)              
Cancellation of ordinary shares upon exercise of options for future (in shares) | shares (818,706)              
Repurchase of ordinary shares     (1,703)         (1,703)
Foreign currency translation adjustments           4,320 667 4,320
Balance at Dec. 31, 2015 ¥ 350 ¥ 351,796 ¥ (91,100) ¥ 10,141 ¥ 171,731 ¥ (6,730) $ 67,337 ¥ 436,188
Balance (in shares) at Dec. 31, 2015 | shares 48,762,903           48,762,903 48,762,903