Annual report pursuant to Section 13 and 15(d)

Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Calculations of Net Loss Per Share (Details)

v3.19.1
Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Calculations of Net Loss Per Share (Details) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Anti-dilutive securities 1,594,000 1,044,000
Options to Purchase Common Stock [Member]    
Anti-dilutive securities 1,351,000 711,000
Convertible Notes [Member]    
Anti-dilutive securities 124,000
Warrants [Member]    
Anti-dilutive securities 243,000 209,000