Lease Obligations - Schedule of Components of Lease Cost (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
Leases [Abstract]
Operating lease cost	[1],[2]	$ 324	$ 328	$ 1,007	$ 836
Finance lease cost:
Amortization of right of use assets	[2]	102	139	324	465
Interest on lease liabilities	[3]	2	6	9	23
Total finance lease cost		$ 104	$ 145	$ 333	$ 488

[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 Unaudited Consolidated Statement of Operations and Comprehensive Income.

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