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Current Liabilities and Debt Obligations, Subordinated Debt (Details) - Porter [Member] - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2015
Jun. 30, 2020
Jun. 30, 2019
Mar. 31, 2015
Jun. 30, 2020
Jun. 30, 2019
Apr. 18, 2017
Subordinated Debt [Abstract]              
Related party ownership percentage 35.00%     35.00%      
Proceeds from related party, debt       $ 2,500,000      
Debt instrument, fixed interest rate 12.00%     12.00%     6.00%
Debt instrument, first interest payment due date         Aug. 20, 2015    
Debt instrument, last principal and interest payment date Jul. 01, 2017       Jul. 25, 2022    
Interest expense, related party   $ 88,000 $ 82,000   $ 175,000 $ 162,000  
Accrued interest payable   $ 1,200,000     $ 1,200,000