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Debt - Schedule of Debt Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Total $ 28,315 $ 29,690
Less deferred loan costs (1,720) (1,957)
Less current portion (3,352) (2,535)
Long-term debt 23,243 25,198
Wells Fargo term loans payable    
Debt Instrument [Line Items]    
Total 15,191 16,390
FGI term loans payable    
Debt Instrument [Line Items]    
Total 12,988 13,148
Leaf Capital term loan payable    
Debt Instrument [Line Items]    
Total $ 136 $ 152