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Summary of Company's Restricted Stock (Detail) - $ / shares
 2 Months Ended 12 Months Ended
Feb. 29, 2016
Mar. 31, 2017
Mar. 31, 2016
Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]      
Unvested or unlapsed shares, Shares   0 12,222
Granted, Shares 374,150 149,200 0
Vested / lapsed, Shares     (12,222)
Forfeited, Shares     0
Unvested or unlapsed shares, Shares     0
Unvested or unlapsed shares, Average Life (In Years)     3 months 18 days
Granted, Average Life (In Years)     0 years
Vested / lapsed, Average Life (In Years)     0 years
Forfeited, Average Life (In Years)     0 years
Unvested or unlapsed shares, Average Intrinsic Value   $ 0 $ 0.50
Granted, Average Intrinsic Value     0
Vested / lapsed, Average Intrinsic Value     0
Forfeited, Average Intrinsic Value     0
Unvested or unlapsed shares, Average Intrinsic Value     0
Unvested or unlapsed shares, Fair Value   0 4.10
Granted, Fair Value   $ 3.92 0
Vested / lapsed, Fair Value     0
Forfeited, Fair Value     0
Unvested or unlapsed shares, Fair Value     $ 0