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Stock Incentive Plans (Tables)
 6 Months Ended
Jun. 30, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following table summarizes stock option activity for the six months ended June 30, 2020.
Options Outstanding
SharesWeighted
Average
Exercise Price
Outstanding, December 31, 20194,071,333 $0.58 
Options granted— — 
Options expired / forfeited(2,179,983)0.58 
Outstanding, June 30, 20201,891,350 0.57 
Exercisable, June 30, 20201,541,350 $0.63 
Summary of Additional Information on Stock Options Outstanding
The following table summarizes additional information on stock options outstanding at June 30, 2020.
Options OutstandingOptions Exercisable
Range of
Exercise
Prices		Number OutstandingWeighted-
Average
Remaining Contractual Life (Years)		Weighted Average Exercise
Price		Number ExercisableWeighted Average Exercise
Price
$0.09 - $1.00
1,883,500 5.31$0.57 1,533,500 $0.63 
$1.50 - $1.80
4,050 1.52$1.70 4,050 $1.70 
$2.60 - $6.35
3,800 0.52$2.60 3,800 $2.60 
Totals1,891,350 5.29$0.57 1,541,350 $0.63