Additional Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Mar. 31, 2015
Other non-current assets:
Total	$ 4,382	$ 4,133
Accrued liabilities:
Salaries, wages, and related benefits	7,235	6,768
Other taxes payable	1,279	952
Accrued legal settlements	60	70
Restructuring liabilities	6	450
Professional fees	412	504
Deferred rent	359	279
Contingent consideration — current	43	8
Other	634	771
Total	10,035	10,001
Other non-current liabilities:
Uncertain tax positions	1,510	1,499
Deferred rent	2,527	1,666
Contingent consideration — non-current	61	104
Other	192	358
Total	$ 4,290	$ 3,627