XML 54 R42.htm IDEA: XBRL DOCUMENT v3.5.0.1
Commitments and Contingencies - Additional Information (Detail) - USD ($)
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Commitments And Contingencies Disclosure [Abstract]    
Rent Expense $ 250,000 $ 790,000
Letters of credit issued percentage of cash collateralized basis 100.00%  
Outstanding letters of credit $ 0 0
Defined contribution 401(k) retirement plan, employer contribution $ 44,000 $ 47,000