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Warrants (Details)
9 Months Ended
Sep. 30, 2019
$ / shares
shares
Warrants and Rights [Abstract]  
Total Warrants (in shares) 749,901
Expiration Date, February 5, 2019 [Member]  
Warrants and Rights [Abstract]  
Number of shares underlying warrants (in shares) 137,143
Exercise price (in dollars per share) | $ / shares $ 3.75
Expiration Date, April 30, 2019 [Member]  
Warrants and Rights [Abstract]  
Number of shares underlying warrants (in shares) 265,947
Exercise price (in dollars per share) | $ / shares $ 3.75
Expiration Date, June 22, 2020 [Member]  
Warrants and Rights [Abstract]  
Issue date Jun. 22, 2015
Expiration date Jun. 22, 2020
Total Warrants (in shares) 600,000
Exercise price (in dollars per share) | $ / shares $ 3.75
Expiration Date, December 30, 2020 [Member]  
Warrants and Rights [Abstract]  
Issue date Dec. 30, 2015
Expiration date Dec. 30, 2020
Total Warrants (in shares) 130,089
Exercise price (in dollars per share) | $ / shares $ 5.65
Expiration Date, January 29, 2021 [Member]  
Warrants and Rights [Abstract]  
Issue date Jan. 29, 2016
Expiration date Jan. 29, 2021
Total Warrants (in shares) 19,812
Exercise price (in dollars per share) | $ / shares $ 5.30