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Notes Payable and Capital Lease Obligations (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Notes and Loans Payable [Abstract]    
Revolving credit note payable to PNC Bank N.A. ("PNC") $ 14,043,000 $ 16,455,000
Term loans, PNC 1,572,000 3,471,000
Capital lease obligations 1,786,000 3,073,000
Related party notes payable, net of debt discount 4,835,000 1,912,000
Other notes payable 2,830,000 1,930,000
Subtotal 25,066,000 26,841,000
Less: Current portion of notes and capital obligations (19,345,000) (23,393,000)
Notes payable and capital lease obligations, net of current portion $ 5,721,000 $ 3,448,000