Stock-Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Stock-based compensation expense
Allocated Share-based Compensation Expense	$ 1,265	$ 2,605	$ 1,871
Income tax expense	0	0
Total stock-based compensation expense after taxes	1,265	2,605	1,871
Cost of Revenue [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	(5)	89	53
Selling and Marketing Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	221	170	337
Research and Development Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	310	452	338
General and Administrative Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	$ 739	$ 1,894	$ 1,143