Additional Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018
Accrued liabilities:
Salaries, wages, and related benefits	$ 6,055	$ 6,793
Other taxes payable	694	769
Restructuring liabilities	86	198
Accrued legal settlements	91	0
Severance liabilities	197	0
Professional fees	271	288
Deferred rent	411	407
Other	736	786
Total	8,541	9,241
Other non-current liabilities:
Uncertain tax positions	1,435	1,519
Deferred rent	2,215	2,313
Other	76	79
Total	$ 3,726	$ 3,911