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Employee Stock Compensation Plans - Summary Stock Options Outstanding (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Outstanding, beginning of year 1,982,428
Outstanding, beginning of year, Per Share $ 1.29
Granted (3) 4,023,000 1,982,428
Granted, Per Share $ .58 $ 1.29
Exercised
Expired (782,268)
Expired, Per Share $ 2.09
Outstanding, end of year 5,223,160 1,982,428
Outstanding, end of year, Per Share $ .76 $ 1.29
Exercisable, end of year 2,770,910 1,832,428
Exercisable, end of year, Per Share $ .95 $ 1.33
Aggregate Intrinsic Value (2) $ 9