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Stockholders' Equity (Details 2)
 3 Months Ended 5 Months Ended
Mar. 31, 2017
USD ($)
$ / shares
shares
Dec. 31, 2016
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Outstanding at beginning of year    
Shares, Outstanding at end of year 764,137  
Employee Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Outstanding at beginning of year 275,137  
Shares, Employee Stock Options granted 664,000  
Shares, Exercised 0  
Shares, Expired and forfeited 0  
Shares, Outstanding at end of year 939,137 275,137
Shares, Vested and expected to vest 939,137  
Shares, Exercisable 175,000  
Weighted-Average Exercise Price, Outstanding at beginning of year | $ / shares $ 0.48  
Weighted-Average Exercise Price, Employee Stock Options granted | $ / shares 1.17  
Weighted-Average Exercise Price, Exercised | $ / shares 0  
Weighted-Average Exercise Price, Expired and forfeited | $ / shares 0  
Weighted-Average Exercise Price, Outstanding at end of year | $ / shares 0.97 $ 0.48
Weighted Average Exercise Price, Vested and expected to vest | $ / shares 0.97  
Weighted-Average Exercise Price, Exercisable | $ / shares $ 0.17  
Weighted Average Remaining Contractual Life,, Employee Stock Options granted 9 years 10 months 17 days  
Weighted Average Remaining Contractual Life,, Outstanding 8 years 4 months 28 days 5 years 1 month 24 days
Weighted Average Remaining Contractual Life, Vested and expected to vest 8 years 4 months 28 days  
Weighted Average Remaining Contractual Life,, Exercisable 2 years 1 month 13 days  
Average Intrinsic Value, Outstanding at end of year | $ $ 253,000  
Average Intrinsic Value, Vested and expected to vest | $ 253,000  
Average Intrinsic Value, Exercisable | $ $ 187,000