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Stock Compensation (Tables)
12 Months Ended
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]
Options OutstandingOptions Exercisable
Exercise PriceOptions OutstandingWeighted Average Remaining Contractual LifeExercise PriceOptions ExercisableWeighted Average Remaining Contractual Life
$2.00 72,000 9.00$2.00 36,500 9.00
$4.00 337,000 8.00$4.00 337,000 8.00
$8.60 16,000 5.19$8.60 16,000 5.19
$10.00 40 3.89$10.00 40 3.89
$12.10 30,000 5.35$12.10 30,000 5.35
$12.50 81,700 5.42$12.50 67,278 5.42
$13.45 2,000 5.47$13.45 1,000 5.47
$13.50 12,000 5.49$13.50 10,562 5.49
$17.50 100,000 4.11$17.50 100,000 4.11
$32.00 15,000 1.54$32.00 15,000 1.54
$34.50 5,000 1.57$34.50 5,000 1.57
670,740 618,380 
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
SharesWeighted
Average
Grant Date
Share Price
Restricted stock awards unvested at December 31, 20171,250 $1.02 
Granted63,137 1.36 
Vested(64,387)1.30 
Restricted stock awards unvested at December 31, 2018— — 
Granted145,700 $1.42 
Vested(145,700)$1.42 
Restricted stock awards unvested at December 31, 2019— — 
Share-based Payment Arrangement, Option [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
Shares
Under
Options
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Term (Years)
Balance at December 31, 2017561,740 $7.32 5.65
Options granted57,000 4.00 
Options forfeited(20,000)4.00 
Balance at December 31, 2018598,740 $6.76 5.87
Options granted72,000 2.00 
Options forfeited— — 
Balance at December 31, 2019670,740 $5.57 6.27
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
20192018
Risk-free interest rate2.38 %2.38 %
Expected volatility100 %100 %
Expected forfeiture rate— %— %
Expected term (years)66
Expected dividend yield— %— %