LINE OF CREDIT AND LONG-TERM DEBT -Schedule of Outstanding Debt Facilities (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 20,566,000	$ 20,979,202
Deferred finance costs, net	(621,733)	(1,239,570)
Total, net of deferred finance costs, net	19,944,267	19,739,632
Encina Business Credit, LLC | Term loan
Line of Credit Facility [Line Items]
Loan amount	20,000,000
Long-term debt, gross	15,350,000	14,750,000
Encina Business Credit SPV, LLC | Revolving Credit Facility
Line of Credit Facility [Line Items]
Loan amount	10,000,000
Long-term debt, gross	3,844,636	4,591,527
Tetra Capital Lease | Capital lease obligations
Line of Credit Facility [Line Items]
Loan amount	419,690
Long-term debt, gross	349,822	0
Wells Fargo Equipment Lease | Capital lease obligations
Line of Credit Facility [Line Items]
Loan amount	30,408
Long-term debt, gross	22,390	0
Texas Citizens Bank | Term loan
Line of Credit Facility [Line Items]
Loan amount	2,045,500
Long-term debt, gross	0	834,283
Various institutions | Insurance premiums financed
Line of Credit Facility [Line Items]
Loan amount	2,902,428
Long-term debt, gross	$ 999,152	$ 803,392