ACQUISITIONS (Details 1) (USD $)	0 Months Ended
	May 02, 2014	Dec. 05, 2014
Omega Refining
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Cost	$ 2,353,000
Omega Refining | Non-competes
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Cost	66,000
Useful life (in years)	1 year
Omega Refining | Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Cost	2,287,000
Useful life (in years)	15 years
Heartland Group Holdings, LLC
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Cost		2,591,000
Heartland Group Holdings, LLC | Customer relations
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Cost		352,000
Useful life (in years)		9 years
Heartland Group Holdings, LLC | Vendor relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Cost		1,876,000
Useful life (in years)		10 years
Heartland Group Holdings, LLC | Tradename
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Cost		$ 363,000
Useful life (in years)		15 years