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Sale and Exclusive License/Supply Agreement with Bimini Technologies LLC (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Sale and Exclusive License/Supply Agreement with Bimini Technologies LLC [Abstract]  
Aggregate value of consideration paid by Bimini $ 5,000,000
Gain on Puregraft divestiture 4,400,000
Estimated future transfer and training obligations 547,000
Milestone payments from Bimini, maximum $ 10,000,000