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Summary of Company's Restricted Stock (Detail) - $ / shares
 9 Months Ended 12 Months Ended
Dec. 31, 2015
Mar. 31, 2015
Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]    
Unvested or unlapsed shares, Shares 12,222  
Granted, Shares 0  
Vested / lapsed, Shares (12,222)  
Forfeited, Shares 0  
Unvested or unlapsed shares, Shares 0 12,222
Unvested or unlapsed shares, Average Life (In Years) 0 years 3 months 18 days
Vested / lapsed, Average Life (In Years) 0 years  
Forfeited, Average Life (In Years) 0 years  
Unvested or unlapsed shares, Average Intrinsic Value $ 0.5  
Forfeited, Average Intrinsic Value 0  
Unvested or unlapsed shares, Average Intrinsic Value 0 $ 0.5
Unvested or unlapsed shares, Fair Value 4.1  
Forfeited, Fair Value 0  
Unvested or unlapsed shares, Fair Value $ 0 $ 4.1