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Paycheck Protection Program Loan - Additional information (Detail) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Jan. 31, 2022	Jun. 15, 2021	Jul. 30, 2022	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022	May 06, 2020
Gain on Extinguishment of Debt – PPP Loan				$ 0	$ 0	$ 4,466
Paycheck Protection Program Loan [Member] | Green wood Credit Union [Member]
Debt instrument face amount							$ 4,400
Loan, payment terms	The PPP Loan, originally scheduled to mature on May 6, 2022, was unsecured and bore interest at a rate of 1.0% per annum, accruing from the loan date.
Loan, maturity date	May 06, 2022
Loan, interest rate	1.00%					1.00%
Amount of PPP loan forgiven		$ 4,400
Gain on Extinguishment of Debt – PPP Loan			$ 4,500

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Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

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