Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
Income Taxes [Line Items]
Federal statutory rate	21.00%
Income tax expense	$ 33	$ 0
Deferred tax assets valuation allowance percentage	100.00%
Operating loss carryforwards expiration year	2041
Federal and State
Income Taxes [Line Items]
Operating loss carryforwards	$ 16,600	$ 14,900