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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Accounting Policies [Abstract]    
Restricted cash $ 3,964 $ 4,026
Beginning-of-period restricted cash balance $ 4,000 $ 4,000
Potentially dilutive securities 745,841 1,123,901
End-of-period restricted cash balance $ 4,000 $ 4,000
Release of restricted cash $ 62