Lease Obligations - Schedule of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Aug. 31, 2021	Feb. 28, 2021
Operating Leases
Operating lease, right of use assets	$ 4,309	$ 4,572
Total operating lease right of use assets	4,309	4,572
Accrued expenses and other current liabilities	1,101	1,119
Operating lease liabilities, less current portion	3,327	3,582
Total operating lease liabilities	4,428	4,701
Finance Leases
Property, plant, and equipment, gross	2,503	2,503
Accumulated depreciation	(2,028)	(1,805)
Total finance lease right of use assets	475	698
Accrued expenses and other current liabilities	335	418
Finance lease liabilities, less current portion	155	302
Total finance lease liabilities	$ 490	$ 720
Weighted Average Remaining Lease Term
Operating leases	6 years 1 month 6 days	6 years
Finance leases	1 year 7 months 6 days	1 year 9 months 18 days
Weighted Average Discount Rate
Operating leases	4.24%	4.49%
Finance leases	3.87%	3.87%