XML 45 R32.htm IDEA: XBRL DOCUMENT v3.21.2
Debt (Details) - USD ($)
Jun. 30, 2021
Sep. 30, 2020
Debt Disclosure [Abstract]    
Long-term debt $ 30,576,000 $ 217,000
Letters of Credit Outstanding, Amount 4,527,000  
Line of Credit Facility, Remaining Borrowing Capacity 64,331,000  
Loans Payable to Bank, Noncurrent 30,479,000 12,000
Other Long-term Debt, Noncurrent 97,000 $ 205,000
Line of Credit Facility, Maximum Borrowing Capacity $ 100,000,000