Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details)

v3.19.1
Earnings Per Share (Details) - shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities warrants and options 5,418,750 5,966,000
Convertible debt warrant [warrants]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities warrants and options 363,750 1,155,000
Stock purchase warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities warrants and options 3,279,500 2,319,000
Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities warrants and options 1,775,500 2,492,000