Additional Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
Other non-current assets:
Total	$ 3,851	$ 3,785
Accrued liabilities:
Salaries, wages, and related benefits	5,775	8,308
Other taxes payable	1,181	1,122
Accrued legal settlements	70	1,630
Restructuring liabilities	259	534
Professional fees	808	674
Software license fees	0	500
Deferred rent	353	477
Contingent consideration — current	180	127
Other	929	860
Total	9,555	14,232
Other non-current liabilities:
Uncertain tax positions	1,533	2,440
Deferred rent	1,742	1,755
Contingent consideration — non-current	1,557	1,612
Other	358	358
Total	$ 5,190	$ 6,165