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Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Jul. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Share-based Compensation   $ 1,061 $ 1,131  
Operating Leases, Rent Expense   $ 78   $ 234
Chief Executive Officer [Member]        
Stock Issued During Period, Shares, Issued for Services 120,000      
Share-based Compensation       300
Consultant [Member]        
Stock Issued During Period, Shares, Issued for Services   3,750    
General and Administrative Expense [Member]        
Loss Contingency, Loss in Period       $ 1,000