Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands	12 Months Ended
	Feb. 28, 2022 USD ($) Segment shares	Feb. 28, 2021 USD ($)	Jan. 20, 2014 shares
Summary Of Significant Accounting Policies Line Items [Line Items]
Stock options, debentures, and other liabilities convertible into shares excluded from diluted earnings per (loss) share calculation | shares	200,000
Depreciation expense | $	$ 268	$ 223
Authorized stock repurchase	2,632,500
Additional authorized stock repurchase			1,500,000
Remaining repurchase of shares authorized	490,186
Number of reportable segments | Segment	1
Revenue, Performance Obligation, Description of Timing	We expect to recognize revenue for any performance obligations within a twelve-month period and have elected not to provide disclosures regarding remaining performance obligations for contracts with a term of 1 year or less.
Building | Maximum
Summary Of Significant Accounting Policies Line Items [Line Items]
Useful life	25 years
Building | Minimum
Summary Of Significant Accounting Policies Line Items [Line Items]
Useful life	10 years
Machinery and Equipment | Maximum
Summary Of Significant Accounting Policies Line Items [Line Items]
Useful life	10 years
Machinery and Equipment | Minimum
Summary Of Significant Accounting Policies Line Items [Line Items]
Useful life	5 years
Customer Concentration Risk | Non-US | Sales Revenue, Goods, Net
Summary Of Significant Accounting Policies Line Items [Line Items]
Concentration risk, percentage of consolidated net sales	11.00%	7.00%