Lease Obligations - Schedule of Components of Lease Cost (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2020	Aug. 31, 2019
Leases [Abstract]
Operating lease cost	[1],[2]	$ 265	$ 233	$ 508	$ 459
Finance lease cost:
Amortization of right of use assets	[2]	161	117	326	349
Interest on lease liabilities	[3]	8	12	17	24
Total finance lease cost		$ 169	$ 129	$ 343	$ 373

[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).