Warrants (Details) - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Warrants and Rights [Abstract]
Number of warrants expired (in shares)	0	600,000
Total Warrants (in shares)	149,901	149,901
Exercise price (in dollars per share)	$ 3.75	$ 3.75
Expiration Date, February 5, 2019 [Member]
Warrants and Rights [Abstract]
Exercise price (in dollars per share)			$ 3.75
Number of shares underlying warrants (in shares)			265,947
Expiration Date, April 30, 2019 [Member]
Warrants and Rights [Abstract]
Exercise price (in dollars per share)			$ 3.75
Number of shares underlying warrants (in shares)			137,143
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	130,089
Exercise price (in dollars per share)	$ 5.65	$ 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	19,812
Exercise price (in dollars per share)	$ 5.30	$ 5.30