Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Net Income (Loss) Per Share - Schedule of Antidilutive Securities Excluded from Calculations of Net Loss Per Share (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Anti-dilutive securities 1,231,000 669,000 1,211,000 669,000
Options to Purchase Common Stock [Member]        
Anti-dilutive securities 988,000 426,000 988,000 426,000
Warrants to Purchase Common Stock [Member]        
Anti-dilutive securities 243,000 243,000 223,000 243,000