Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Lonesome Oak Equipment Loan - Additional Information (Details)

v3.21.4
Long-Term Debt - Lonesome Oak Equipment Loan - Additional Information (Details) - Lonesome Oak - Extruded Fibers Inc.
12 Months Ended
Sep. 30, 2021
USD ($)
Debt Instrument [Line Items]  
Debt periodic frequency payable monthly in the amount of $100,000 for 36 months
Debt periodic payment $ 3,600,000
Debt instrument interest rate 6.78%
Debt periodic payment, principal $ 100,000
Debt initial payment date Mar. 31, 2020
Debt maturity date Mar. 03, 2023