XML 72 R57.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock Options (Summary of Options Outstanding by Price Range) (Details)
12 Months Ended
Dec. 31, 2016
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Range of Exercise Price, lower limit $ 0.04
Range of Exercise Price, upper limit $ 0.40
Number Outstanding | shares 3,365,500
Remaining Average Contractual Life 4 years 7 months 2 days
Weighted Average Exercise Price, Outstanding $ 0.20
Number Exercisable | shares 2,804,660
Weighted Average Exercise Price, Exercisable $ 0.20