Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

SHARE BASED COMPENSATION (Details)

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SHARE BASED COMPENSATION (Details)
 1 Months Ended 12 Months Ended
Jan. 07, 2008
shares
Feb. 28, 2015
CNY (¥)
$ / shares
Feb. 28, 2015
CNY (¥)
item
shares
Oct. 31, 2014
CNY (¥)
Oct. 30, 2013
$ / shares
shares
Apr. 30, 2005
shares
Mar. 31, 2015
USD ($)
$ / shares
shares
Mar. 31, 2015
CNY (¥)
shares
Mar. 31, 2014
$ / shares
shares
Mar. 31, 2013
$ / shares
Mar. 31, 2013
CNY (¥)
employee
shares
Oct. 31, 2007
shares
Officer(s) | Common share                        
SHARE BASED COMPENSATION                        
Number of officers | item     2                  
Fair value of shares on the grant date | ¥               ¥ 2,831,396        
Cost of treasury shares repurchased | ¥   ¥ 2,983,072 ¥ 2,983,072                  
Amount recognized as a reduction of additional paid-in capital | ¥     ¥ 151,676                  
Officer One | Common share                        
SHARE BASED COMPENSATION                        
Number of shares granted (in shares)     100,000                  
Officer Two | Common share                        
SHARE BASED COMPENSATION                        
Number of shares granted (in shares)     114,314                  
Options                        
SHARE BASED COMPENSATION                        
Number of employees of whom vested share options' exercise period is extended upon resignation | employee                     2  
Additional compensation expense due to modifications recognized in the general and administrative expense | ¥                     ¥ 1,294,834  
Number of shares                        
Outstanding at the beginning of the period (in shares)             4,214,667 4,214,667 2,747,342   2,788,342  
Granted (in shares)             1,469,460 1,469,460 1,469,460      
Exercised (in shares)             (300,000) (300,000)        
Forfeited (in shares)             (1,102,095) (1,102,095)        
Expired (in shares)             (396,365) (396,365) (2,135)   (41,000)  
Outstanding at the end of the period (in shares)             3,885,667 3,885,667 4,214,667   2,747,342  
Vested and expected to vest at the end of the period (in shares)             3,885,667          
Exercisable at the end of the period (in shares)             2,416,207          
Weighted average exercise                        
Outstanding at the beginning of the period (in dollars per share) | $ / shares             $ 2.72   $ 2.84 $ 2.85    
Granted (in dollars per share) | $ / shares             2.24   2.50      
Exercised (in dollars per share) | $ / shares             2.12          
Forfeited (in dollars per share) | $ / shares             2.50          
Expired (in dollars per share) | $ / shares             2.58   2.69 3.60    
Outstanding at the end of the period (in dollars per share) | $ / shares             2.66   $ 2.72 $ 2.84    
Vested and expected to vest at the end of the period (in dollars per share) | $ / shares             2.66          
Exercisable at the end of the period (in dollars per share) | $ / shares             $ 2.92          
Weighted remaining contractual Years                        
Vested and expected to vest at the end of the period             4 years 1 month 17 days 4 years 1 month 17 days        
Exercisable at the end of the period             7 months 13 days 7 months 13 days        
Aggregate intrinsic value                        
Vested and expected to vest at the end of the period (in dollars) | $             $ 0          
Exercisable at the end of the period (in dollars) | $             0          
Additional disclosures                        
Total intrinsic value of options exercised (in dollars) | $             $ 46,500          
Options | Officer(s)                        
SHARE BASED COMPENSATION                        
Vesting rate on the first anniversary (as a percent)     25.00%   25.00%              
Vesting rate for remaining awards (as a percent)     75.00%   75.00%              
Vesting period for remaining 75% shares     3 years   3 years              
Percentage forfeited       75.00%                
Expense reversed, related to the unvested share options recognized previously | ¥       ¥ 4,014,513                
Number of shares                        
Granted (in shares)     1,469,460   1,469,460              
Weighted average exercise                        
Granted (in dollars per share) | $ / shares   ¥ 2.24     $ 2.50              
2005 Share incentive plan                        
SHARE BASED COMPENSATION                        
Shares authorized           2,894,000           3,310,300
2005 Share incentive plan | Options                        
SHARE BASED COMPENSATION                        
Expiration term           10 years            
Vesting rate on the first anniversary (as a percent)             25.00% 25.00%        
Vesting rate for remaining awards (as a percent)             75.00% 75.00%        
Vesting period for remaining 75% shares             36 months 36 months        
2008 Share incentive plan                        
SHARE BASED COMPENSATION                        
Shares authorized 336,307           2,690,456          
Expiration term 10 years                      
Annual increase in shares reserved (in shares) 336,307                      
Annual increase in shares reserved (as a percent) 1.00%                      
2008 Share incentive plan | Options                        
SHARE BASED COMPENSATION                        
Expiration term 10 years                      
Vesting rate on the first anniversary (as a percent)             25.00% 25.00%        
Vesting rate for remaining awards (as a percent)             75.00% 75.00%        
Vesting period for remaining 75% shares             36 months 36 months        
2008 Share incentive plan | Nonvested shares                        
SHARE BASED COMPENSATION                        
Vesting rate (as a percent) at the end of each year from the grant date over 4 years             25.00% 25.00%        
Vesting period 4 years