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Assets Held for Sale and Sale of Former Hungarian Subsidiary (Textual) (Details) (USD $)
0 Months Ended 3 Months Ended
Mar. 13, 2014
Mar. 31, 2015
Mar. 31, 2014
Assets Held for Sale [Abstract]      
Proceeds from sale of subsidiary $ 1,500,000us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries    
Assets sold 800,000us-gaap_IncreaseDecreaseInAssetsHeldForSale    
Proceeds from sale of property and equipment 800,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 5,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 117,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
VAT liability     $ 400,000us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent