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Employee Stock Option Plans - Summary Stock Options 2013 Plan (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Outstanding, beginning of year
Outstanding, beginning of year, Per Share
Granted 1,982,428 1,699,000
Granted, Per Share $ 1.29 $ .72
Cancelled/Expired/Forfeited (2)(3)   (1,699,000)
Cancelled/Expired/Forfeited (2)(3), Per Share   $ .94
Outstanding, end of year 1,982,428
Outstanding, end of year, Per Share $ 1.29
Outstanding, end of year, Value
Exercisable, end of year 1,832,428
Exercisable, end of year, Per Share $ 1.33
Exercisable, end of year, Value