Additional Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Mar. 31, 2017
Accrued liabilities:
Salaries, wages, and related benefits	$ 7,217	$ 6,473
Other taxes payable	650	750
Accrued legal settlements	98	75
Severance liabilities	16	11
Professional fees	210	146
Deferred rent	425	433
Other	362	443
Total	8,978	8,331
Other non-current liabilities:
Uncertain tax positions	1,484	1,479
Deferred rent	2,362	2,444
Other	76	79
Total	$ 3,922	$ 4,002