Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Schedule of Antidilutive Securities) (Details)

v3.19.1
Net Loss Per Share (Schedule of Antidilutive Securities) (Details) - shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Stock options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities 3,008,754 426,393
Restricted Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities 838,679 63,331
Common stock warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities 9,030,730 310,397