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Employee Benefit Plans - Stock Based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Stock-Based Compensation
Total stock-based compensation	$ 3,401	$ 2,845	$ 2,785
Stock options
Stock-Based Compensation
Unrecognized compensation expense	$ 4,600
Weighted average period over which compensation expense is expected to be recognized	2 years 9 months 18 days
Restricted stock units
Stock-Based Compensation
Unrecognized compensation expense	$ 1,300
Weighted average period over which compensation expense is expected to be recognized	2 years 7 months 6 days
Phantom Share Units (PSUs)
Stock-Based Compensation
Unrecognized compensation expense	$ 400
Weighted average period over which compensation expense is expected to be recognized	1 year 8 months 12 days
Cost of revenues
Stock-Based Compensation
Total stock-based compensation	$ 242	209	143
General and Administrative
Stock-Based Compensation
Total stock-based compensation	2,574	2,359	2,116
Sales and marketing
Stock-Based Compensation
Total stock-based compensation	340	158	156
Research and development expense
Stock-Based Compensation
Total stock-based compensation	245	134	81
Restructuring activities
Stock-Based Compensation
Total stock-based compensation	0	42	0
Loss from discontinued operations
Stock-Based Compensation
Total stock-based compensation	$ 0	$ (57)	$ 290