GOODWILL AND OTHER INTANGIBLE ASSETS, NET (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ 8,717,192	$ 6,898,717
Net Carrying Amount	14,323,005
Goodwill	176,349	0
Gross Carrying Amount, Total	23,216,546	22,151,049
Net Carrying Amount, Total	14,499,354	15,252,332
Customer relations
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,588,700	1,011,000
Accumulated Amortization	872,654	689,032
Net Carrying Amount	$ 716,046	321,968
Vendor relations
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Gross Carrying Amount	$ 6,654,497	6,495,049
Accumulated Amortization	2,866,314	2,210,166
Net Carrying Amount	3,788,183	4,284,883
Trademark/Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,321,000	1,219,000
Accumulated Amortization	423,514	337,276
Net Carrying Amount	$ 897,486	881,724
TCEP Technology/Patent
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	15 years
Gross Carrying Amount	$ 13,287,000	13,287,000
Accumulated Amortization	4,409,043	3,523,243
Net Carrying Amount	8,877,957	9,763,757
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	189,000	139,000
Accumulated Amortization	145,667	139,000
Net Carrying Amount	$ 43,333	$ 0
Minimum | Customer relations
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	5 years
Minimum | Trademark/Trade name
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	6 years
Minimum | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	3 years
Maximum | Customer relations
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	8 years
Maximum | Trademark/Trade name
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	16 years
Maximum | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	5 years