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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 |  |

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