Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Summary of Notes Payable (Details)

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Notes Payable - Summary of Notes Payable (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Total notes payable $ 677 $ 2,960
Less: current portion (76) (1,438)
Total notes payable - long term portion 601 1,522
Note Payable to Bank [Member]    
Debt Instrument [Line Items]    
Total notes payable 509 555
Note Payable to Bank [Member] | Paycheck Protection Program [Member]    
Debt Instrument [Line Items]    
Total notes payable   2,237
Other Notes Payable [Member]    
Debt Instrument [Line Items]    
Other notes payable - No recourse to the general credit of the Company $ 168 $ 168