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INTANGIBLE ASSETS
3 Months Ended
Mar. 31, 2014
INTANGIBLE ASSETS [Abstract]  
INTANGIBLE ASSETS
3. INTANGIBLE ASSETS

Intangible assets consist of a patent for the IsoBLOX™ technology, which was acquired in February 2013 for a purchase price of $2,100.  The intangible asset is being amortized over a fifteen year period on a straight line basis.  Amortization expense of $35 and $18 has been recorded for the three months ended March 31, 2014 and 2013, respectively. The net carrying value of the intangible assets as of March 31, 2014 and December 31, 2013 was $1,944 and $1,979, respectively.