Additional Balance Sheet Information (Details) - USD ($) $ in Thousands	May 26, 2015	Mar. 31, 2018	Mar. 31, 2017
Balance Sheet Related Disclosures [Abstract]
Accounts Receivable, Net, Current		$ 16,389	$ 15,598
Accrued liabilities:
Salaries, wages, and related benefits		6,793	6,473
Other taxes payable		769	750
Accrued legal settlements		94	75
Restructuring liabilities		198	0
Severance liabilities		0	11
Professional fees		288	221
Deferred rent		407	433
Other		786	443
Total		9,241	8,331
Other non-current liabilities:
Uncertain tax positions		1,519	1,479
Deferred rent		2,313	2,444
Other		79	79
Total		3,911	4,002
Allowance for Doubtful Accounts Receivable		900	$ 500
Bankruptcy Claims, Number Claims Filed	$ 700
Bankruptcy Claims, Amount of Claims Outstanding		$ 700