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Paycheck Protection Program Loan - Additional information (Detail) - USD ($)
May 01, 2021
Jan. 31, 2021
May 06, 2020
Long-Term Debt – PPP Loan $ 4,422,000 $ 4,422,000  
Paycheck Protection Program Loan [Member]      
Percent of loan to be forgiven 40.00%    
Paycheck Protection Program Loan [Member] | Green wood Credit Union [Member]      
Debt instrument face amount     $ 4,400,000
Loan, payment terms The PPP Loan, which will mature on May 6, 2022, is unsecured and bears interest at a rate of 1.0% per annum, accruing from the loan date, and is payable monthly.    
Loan, maturity date May 06, 2022    
Loan, interest rate 1.00%    
Loan, payments due $ 0    
Long-Term Debt – PPP Loan 44,000    
Paycheck Protection Program Loan [Member] | Green wood Credit Union [Member] | Other Expense [Member]      
Loan, interest accrued $ 11,000