Description of Business and Summary of Significant Accounting Policies - Cash and Cash Equivalents - Additional Information (Details) - USD ($) $ in Thousands	Jan. 01, 2018	Feb. 28, 2023	Feb. 28, 2022
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents		$ 6,134	$ 27,788
Percentage of participation exemption on dividends received from foreign corporation	100.00%
Domestic Tax Authority [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents		0	0
Non-US [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents		$ 129	$ 762