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Summary of Significant Accounting Policies - Accrued Expenses and Other (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Mar. 31, 2016
Accounting Policies [Abstract]    
Compensation and benefits $ 1,596 $ 1,794
Sales tax 304 913
Contract costs 502 586
Legal and professional fees 2,786 2,348
Warranty 728 554
Other accruals 420 391
Total $ 6,336 6,586
Loss contingency   $ 1,400