Stock-Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Stock-based compensation expense
Share-based Payment Arrangement, Expense	$ 774	$ 1,171
Income tax expense	0	0
Total stock-based compensation expense after taxes	774	1,171
Cost of Revenue [Member]
Stock-based compensation expense
Share-based Payment Arrangement, Expense	69	47
Selling and Marketing Expense [Member]
Stock-based compensation expense
Share-based Payment Arrangement, Expense	227	369
Research and Development Expense [Member]
Stock-based compensation expense
Share-based Payment Arrangement, Expense	120	174
General and Administrative Expense [Member]
Stock-based compensation expense
Share-based Payment Arrangement, Expense	$ 358	$ 581