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

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Face (par) amount of debt instrument at time of issuance.

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Paycheck Protection Program Loan - Additional information (Detail) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Jun. 15, 2021	Jul. 31, 2021	Jan. 31, 2023	Jan. 31, 2022	May 06, 2020
Extinguishment of Debt – PPP Loan			$ 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%
Amount of PPP loan forgiven	$ 4,400
Extinguishment of Debt – PPP Loan		$ 4,500