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Options and Warrants (Details)
12 Months Ended
Dec. 31, 2018
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding at beginning of the year | shares 27,101
Granted | shares
Exercised | shares
Forfeited | shares
Expired | shares (1,160)
Outstanding at end of the year | shares 25,941
Options exercisable | shares 25,941
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]  
Outstanding at beginning of the year | $ / shares $ 91.25
Granted | $ / shares
Exercised | $ / shares
Forfeited | $ / shares
Expired | $ / shares 31.98
Outstanding at end of the year | $ / shares 94.44
Options exercisable | $ / shares $ 94.44
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Avg. Remaining Contractual Life (yrs)  
Outstanding at beginning of the year 5 years
Outstanding at end of the year 4 years
Options exercisable 4 years