Stock-Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Stock-based compensation expense
Allocated Share-based Compensation Expense	$ 1,171	$ 1,271
Income tax expense	0	0
Total stock-based compensation expense after taxes	1,171	1,271
Cost of Revenue [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	47	30
Selling and Marketing Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	369	272
Research and Development Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	174	167
General and Administrative Expense [Member]
Stock-based compensation expense
Allocated Share-based Compensation Expense	$ 581	$ 802