Additional Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Mar. 31, 2017
Accrued liabilities:
Salaries, wages, and related benefits	$ 5,890	$ 6,473
Other taxes payable	579	750
Accrued legal settlements	159	75
Restructuring liabilities	31	0
Severance liabilities	16	11
Professional fees	299	146
Deferred rent	411	433
Other	385	443
Total	7,770	8,331
Other non-current liabilities:
Uncertain tax positions	1,500	1,479
Deferred rent	2,347	2,444
Other	78	79
Total	$ 3,925	$ 4,002