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Prepaid Expenses and Other Current Assets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Schedule of prepaid expense and other current assets    
Prepaid insurance $ 122us-gaap_PrepaidInsurance $ 91us-gaap_PrepaidInsurance
Prepaid rent 39us-gaap_PrepaidRent 75us-gaap_PrepaidRent
VAT receivable 137us-gaap_PrepaidTaxes 250us-gaap_PrepaidTaxes
Other 215us-gaap_OtherAssetsCurrent 200us-gaap_OtherAssetsCurrent
Total prepaid expenses and other current assets $ 513us-gaap_PrepaidExpenseAndOtherAssetsCurrent $ 616us-gaap_PrepaidExpenseAndOtherAssetsCurrent