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 1 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended
Oct. 31, 2013
Options
USD ($)
Mar. 31, 2014
Options
USD ($)
Mar. 31, 2013
Options
USD ($)
employee
Mar. 31, 2013
Options
CNY
Mar. 31, 2012
Options
USD ($)
Mar. 31, 2013
Nonvested shares
item
Apr. 30, 2005
2005 Share incentive plan
Oct. 31, 2007
2005 Share incentive plan
Apr. 30, 2005
2005 Share incentive plan
Options
Mar. 31, 2014
2005 Share incentive plan
Options
Jan. 07, 2008
2008 Share incentive plan
Mar. 31, 2014
2008 Share incentive plan
Jan. 07, 2008
2008 Share incentive plan
Options
Mar. 31, 2014
2008 Share incentive plan
Options
Jan. 07, 2008
2008 Share incentive plan
Nonvested shares
Mar. 31, 2014
2008 Share incentive plan
Nonvested shares
SHARE BASED COMPENSATION                                
Shares authorized             2,894,000 3,310,300     336,307 2,354,149        
Expiration term             10 years   10 years   10 years   10 years      
Annual increase in shares reserved (in shares)                     336,307          
Annual increase in shares reserved (as a percent)                     1.00%          
Vesting rate on the first anniversary (as a percent) 25.00%                 25.00%       25.00%    
Vesting rate for remaining awards (as a percent) 75.00%                 75.00%       75.00%    
Vesting period for remaining 75% shares 3 years                 36 months       36 months    
Vesting rate (as a percent) at the end of each year from the grant date over 4 years                               25.00%
Vesting period                             4 years  
Number of employees of whom vested share options' exercise period is extended upon resignation     2 2   1                    
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)   2,747,342 2,788,342 2,788,342 3,262,650                      
Granted (in shares) 1,469,460 1,469,460                            
Exercised (in shares)         (27,864)                      
Expired (in shares)   (2,135) (41,000) (41,000) (446,444)                      
Outstanding at the end of the period (in shares)   4,214,667 2,747,342 2,747,342 2,788,342                      
Vested and expected to vest at the end of the period (in shares)   4,214,667                            
Exercisable at the end of the period (in shares)   2,745,207                            
Weighted average exercise                                
Outstanding at the beginning of the period (in dollars per share)   $ 2.84 $ 2.85   $ 2.96                      
Granted (in dollars per share) $ 2.50 $ 2.50                            
Exercised (in dollars per share)         $ 3.60                      
Expired (in dollars per share)   $ 2.69 $ 3.60   $ 3.60                      
Outstanding at the end of the period (in dollars per share)   $ 2.72 $ 2.84   $ 2.85                      
Vested and expected to vest at the end of the period (in dollars per share)   $ 2.72                            
Exercisable at the end of the period (in dollars per share)   $ 2.84                            
Weighted remaining contractual Years                                
Vested and expected to vest at the end of the period   4 years 8 months 5 days                            
Exercisable at the end of the period   2 years 1 month 2 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)   $ 0 $ 0   $ 28,775