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Current Liabilities and Debt Obligations - Subordinated Debt (Details) - Porter - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2015
Jun. 30, 2020
Jun. 30, 2020
Apr. 18, 2017
Apr. 17, 2017
Debt Instrument [Line Items]          
Related party ownership percentage 35.00%        
Proceeds from related party, debt $ 2,500        
Long-term debt, percentage bearing fixed interest, percentage rate 12.00%     6.00% 12.00%
Interest expense, related party   $ 88 $ 175    
Interest payable   $ 1,200 $ 1,200