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Stock Option Activity (Detail) - $ / shares
9 Months Ended 12 Months Ended
Dec. 31, 2015
Mar. 31, 2015
Shares    
Beginning balance 776,500  
Granted 0  
Cancelled 0  
Exercised 0  
Expired 0  
Forfeited (86,500)  
Ending balance 690,000 776,500
Vested and exercisable 619,181  
Weighted Average Per Share Exercise Price    
Beginning balance $ 4.69  
Forfeited 2.63  
Ending balance 3.35 $ 4.69
Vested and exercisable $ 2.67  
Weighted Average Remaining Life (Years)    
Balance 7 years 1 month 6 days 7 years 4 months 24 days
Vested and exercisable 7 years  
Weighted Average Per Share Intrinsic Value    
Beginning Balance $ 1.5  
Ending balance 2.57 $ 1.5
Vested and exercisable $ 2.86