Stock-Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Stock-based compensation expense
Allocated Share-based Compensation Expense	$ 1,594	$ 1,265
Income tax expense	0	0
Total stock-based compensation expense after taxes	1,594	1,265
Cost of Revenue [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	34	(5)
Selling and Marketing Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	482	221
Research and Development Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	163	310
General and Administrative Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	$ 915	$ 739