Annual report pursuant to Section 13 and 15(d)

Long-term Debt - Schedule Of Maturities of Long Term Debt (Details)

v3.20.4
Long-term Debt - Schedule Of Maturities of Long Term Debt (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
Debt Disclosure [Abstract]  
2021 $ 53,037,000
2022 4,000,000
2023 4,000,000
2024 333,000
2025 0
Thereafter 0
Revolving Line of Credit | Machinery And Equipment Sub-Limit  
Debt Instrument [Line Items]  
Line of credit, maximum borrowing capacity 17,500,000
Quarterly repayments $ 400,000