Lease Obligations - Schedule of Components of Lease Cost (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2020	Nov. 30, 2019
Leases [Abstract]
Operating lease cost	[1],[2]	$ 328	$ 209	$ 836	$ 668
Finance lease cost:
Amortization of right of use assets	[2]	139	167	465	516
Interest on lease liabilities	[3]	6	12	23	36
Total finance lease cost		$ 145	$ 179	$ 488	$ 552

[1] Includes immaterial amounts related to variable rent expense.

[2] Recorded within Selling, General and administrative, Engineering and technical support, and Cost of sales on the Consolidated Statement of Operations and Comprehensive (Loss) Income.

[3] Recorded within Interest and bank charges on the Consolidated Statement of Operations and Comprehensive Income (Loss).