LINE OF CREDIT AND LONG-TERM DEBT - Schedule of Outstanding Debt (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 18,602,017	$ 20,566,000
Deferred finance costs	(47,826)	(621,733)
Total, net of deferred finance costs	18,554,191	19,944,267
Encina Business Credit, LLC | Term Loan
Line of Credit Facility [Line Items]
Loan amount	20,000,000
Long-term debt, gross	13,333,000	15,350,000
Encina Business Credit SPV, LLC | Revolving Note
Line of Credit Facility [Line Items]
Loan amount	10,000,000
Long-term debt, gross	3,276,230	3,844,636
Tetra Capital Lease | Finance Lease
Line of Credit Facility [Line Items]
Loan amount	419,690
Long-term debt, gross	264,014
Tetra Capital Lease | Finance Lease
Line of Credit Facility [Line Items]
Long-term debt, gross		349,822
Wells Fargo Equipment Lease-VRM LA | Finance Lease
Line of Credit Facility [Line Items]
Loan amount	30,408
Long-term debt, gross	12,341
Wells Fargo Equipment Lease-VRM LA | Finance Lease
Line of Credit Facility [Line Items]
Long-term debt, gross		22,390
Wells Fargo Equipment Lease-Ohio | Finance Lease
Line of Credit Facility [Line Items]
Loan amount	621,000
Finance Lease, Liability	551,260
Wells Fargo Equipment Lease-Ohio | Finance Lease
Line of Credit Facility [Line Items]
Long-term debt, gross		0
Various institutions | Insurance premiums financed
Line of Credit Facility [Line Items]
Loan amount	2,902,428
Long-term debt, gross	$ 1,165,172	$ 999,152