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Equity Instruments (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Aug. 25, 2017
Sep. 30, 2017
Jun. 30, 2015
Equity Instruments (Textual)      
Aggregate shares of common stock   3,000,000  
Unrecognized expense share-based compensation expense   $ 571,000  
Weighted average remaining years to vest (in years)   1 year 7 months 6 days  
Warrants to purchase of common stock 6,314,671    
Warrants exercise price $ 3.60    
Warrants exercise price term 5 years    
2015 Stock Option and Incentive Plan [Member]      
Equity Instruments (Textual)      
Aggregate shares of common stock     3,000,000