COMMITMENTS AND CONTINGENCIES (Detail Textuals) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Long-term Purchase Commitment [Line Items]
Maximum repurchase collateral amount	$ 40,160	$ 31,458
Cost incurred in pennsylvania manufacturing operations	2,605
Pennsylvania
Long-term Purchase Commitment [Line Items]
Estimated cost of operations	22,000
Tennessee | Minimum
Long-term Purchase Commitment [Line Items]
Estimated cost of operations	9,000
Tennessee | Maximum
Long-term Purchase Commitment [Line Items]
Estimated cost of operations	10,000
Capital Addition Purchase Commitments
Long-term Purchase Commitment [Line Items]
Commitment for construction and acquisition of property, plant and equipment	$ 1,598