ACQUISITIONS (Details 1) - USD ($)	Dec. 05, 2014	May. 02, 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