Additional Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Mar. 31, 2013
Other non-current assets:
Corporate owned life insurance policies	$ 2,285	$ 3,673
Prepaid Expense, Noncurrent	848	0
Other	493	506
Total	3,626	4,179
Accrued liabilities:
Salaries, wages, and related benefits	5,903	6,916
Other taxes payable	1,031	1,035
Accrued Legal Settlements	1,601	1,664
Restructuring liabilities	176	584
Accrued Professional Fees, Current	566	701
Accrued License Fees	554	0
Income taxes payable	879	631
Deferred Rent, Current	432	362
Contingent consideration - current	180	0
Other	858	1,045
Total	12,180	12,938
Other non-current liabilities:
Income taxes payable/Uncertain tax positions	2,464	2,469
Deferred rent	1,729	1,976
Contingent consideration - non-current	1,570	0
Other	441	195
Total	$ 6,204	$ 4,640