Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Details)

v3.8.0.1
Earnings Per Share (Details) - shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Potentially dilutive securities (Line Items)    
Potentially dilutive securities warrants and options 5,689,228 5,755,729
Warrants [Member]    
Potentially dilutive securities (Line Items)    
Potentially dilutive securities warrants and options 3,605,728 3,885,729
Options [Member]    
Potentially dilutive securities (Line Items)    
Potentially dilutive securities warrants and options 2,083,500 1,870,000