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Related Party Transactions (Narrative) (Details) - MDB Capital Group, LLC [Member] - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
May 31, 2016
Jun. 30, 2016
Jun. 30, 2016
Related Party Transaction [Line Items]      
Expenses for services rendered with respect to intellectual property   $ 45 $ 100
Initial Public Offering [Member]      
Related Party Transaction [Line Items]      
Underwriting discounts $ 1,800    
Unaccountable expense reimbursement 160    
Value of warrants $ 1,443