Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details)

v3.19.1
Stock Based Compensation (Details)
3 Months Ended
Mar. 31, 2019
USD ($)
$ / shares
shares
Weighted Average Remaining Contractual Life (years)  
Beginning Balance 1 year 6 months 21 days
Stock Options [Member]  
Number of Shares  
Beginning Balance | shares 9,161,510
Expirations | shares (635,000)
Ending Balance | shares 8,526,510
Options exercisable | shares 8,526,510
Weighted Average Exercise Price  
Beginning Balance | $ / shares $ 1.15
Expirations | $ / shares
Ending Balance | $ / shares 1.19
Options exercisable | $ / shares $ 1.19
Weighted Average Remaining Contractual Life (years)  
Beginning Balance 2 years
Ending Balance 1 year 10 months 25 days
Options exercisable 1 year 10 months 25 days
Aggregate Intrinsic Value  
Beginning Balance | $
Ending Balance | $