Long-Term Debt (CARES Act Paycheck Protection Plan Loans) - Additional Information (Detail) - CARES Act Paycheck Protection Plan Loans [Member] - USD ($) $ in Thousands	2 Months Ended	3 Months Ended
	May 31, 2020	Sep. 30, 2021	Jun. 30, 2021
Debt Instrument [Line Items]
PPP loans from bank	$ 3,234
Debt instrument forgiveness amount		$ 2,972	$ 261
Debt forgiveness accrued interest		38	3
Debt forgiveness income related to loan		$ 3,010	$ 264