Note 7 - Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Mar. 31, 2015
Uninvoiced goods and services	$ 9,437	$ 8,473
Compensation and benefits	7,500	6,230
Income taxes	3,356	2,459
Commissions, royalties and other	3,146	2,703
Total	$ 23,439	$ 19,865