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Stock Compensation - Additional Information (Detail) - USD ($)
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2007
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options vesting period 36 months      
Vesting percentage of share awards 25.00%      
Stock compensation expense $ 4,517 $ 36,378 $ 258,128  
Number of options, Outstanding, Granted     86,000  
Fair value of common stock vested     $ 6,503  
Expenses recognized for employee stock purchase plan     9,108  
Unrecognized share-based compensation cost $ 0 $ 0 $ 0  
1999 Employee Stock Option Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares of common stock available for grant 450,000      
Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost expected to vest 2 years      
Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost expected to vest 5 years      
Scenario, Forecast [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options, Outstanding, Granted       3,750
Stock option vest and issued at the date of grant       750