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LINE OF CREDIT AND LONG-TERM DEBT (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Long-term Debt    
Long-term debt $ 22,234,754 $ 20,566,000
Deferred finance cost, net (478,256) (621,733)
Total, net of deferred finance costs 21,756,498 19,944,267
Secured debt | Encina Business Credit, LLC    
Line of Credit Facility [Line Items]    
Loan Amount 20,000,000  
Long-term Debt    
Long-term debt 15,125,000 15,350,000
Revolving line of credit | Encina Business Credit SPV, LLC    
Line of Credit Facility [Line Items]    
Loan Amount 10,000,000  
Long-term Debt    
Long-term debt 6,370,510 3,844,636
Finance Lease | Tetra Capital Lease    
Line of Credit Facility [Line Items]    
Loan Amount 419,690  
Long-term Debt    
Finance lease obligation 328,908  
Finance Lease | Well Fargo Equipment Lease    
Line of Credit Facility [Line Items]    
Loan Amount 30,408  
Long-term Debt    
Finance lease obligation 19,922  
Capital Lease | Tetra Capital Lease    
Long-term Debt    
Long-term debt   349,822
Capital Lease | Well Fargo Equipment Lease    
Long-term Debt    
Long-term debt   22,390
Insurance premiums financed | Various institutions    
Line of Credit Facility [Line Items]    
Loan Amount 2,902,428  
Long-term Debt    
Long-term debt $ 390,414 $ 999,152