Prepaid Expenses, Accrued Expenses, Other Current Assets and Liabilities (Details 1) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Summary of accrued expenses and other current liabilities
Advertising and promotional expenses	$ 171	$ 171
Insurance financing	93
Professional fees	61	88
Payroll related expenses	24	62
Deferred rent	19	40
Total accrued expenses and other current liabilities	$ 368	$ 361