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Notes Payable and Lease Obligations - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Debt Disclosure [Abstract]    
Operating cash flows from operating leases $ 449 $ 430
Operating cash flows from finance leases 5 7
Financing cash flows from finance leases 8 7
Right of use assets obtained in exchange for lease liabilities: Operating leases $ 3,531 $ 3,513