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Stock-Based Compensation - Stock Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Stock-Based Compensation
Total stock-based compensation	$ 768	$ 740	$ 2,396	$ 2,014
Stock options
Stock-Based Compensation
Unrecognized compensation expense related to unvested stock options	4,100		$ 4,100
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 related to unvested RSUs	500		$ 500
Weighted average period over which compensation expense is expected to be recognized			2 years 1 month 6 days
Phantom Share Units (PSUs)
Stock-Based Compensation
Unrecognized compensation expense related to unvested RSUs	500		$ 500
Weighted average period over which compensation expense is expected to be recognized			2 years 2 months 12 days
Cost of revenues
Stock-Based Compensation
Total stock-based compensation	53	55	$ 161	148
General and administrative expense
Stock-Based Compensation
Total stock-based compensation	589	612	1,864	1,704
Sales and marketing
Stock-Based Compensation
Total stock-based compensation	74	44	217	99
Research and development expense
Stock-Based Compensation
Total stock-based compensation	52	29	154	78
Restructuring costs
Stock-Based Compensation
Total stock-based compensation	0	0	0	42
Income (loss) from discontinued operations before gain on sale, net of tax
Stock-Based Compensation
Total stock-based compensation	$ 0	$ 0	$ 0	$ (57)