Loss Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Loss Per Share
Antidilutive securities excluded from computation of diluted weighted average shares outstanding (in shares)	2,625,789	2,702,108
Common stock warrants
Loss Per Share
Antidilutive securities excluded from computation of diluted weighted average shares outstanding (in shares)	0	6,595
Common stock options outstanding
Loss Per Share
Antidilutive securities excluded from computation of diluted weighted average shares outstanding (in shares)	2,625,789	2,695,513