Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Feb. 29, 2020	Feb. 28, 2019
Other Liabilities Disclosure [Abstract]
Accrued interest	$ 1,042	$ 1,196
Accrued warranty	3,702	1,751
Commissions	4,180	3,370
Personnel expenses	8,646	6,282
Group medical insurance	3,083	2,024
Sales and other taxes payable	3,098	1,301
Other Sundry Liabilities, Current	3,117	1,707
Total other accrued liabilities	$ 26,868	$ 17,631