Stock Options and Award Programs (Summary of Options Outstanding and Exercisable) (Details) (USD $)	6 Months Ended
	Jun. 30, 2013
# of Shares
Options outstanding, January 1, 2013	3,212,000
Issued	1,575,000
Cancelled	(275,000)
Expired	(680,000)
Options outstanding, June 30, 2013	3,832,000
Options outstanding and exercisable, June 30, 2013	1,632,000
Weighted Average Exercise Price per Share
Options outstanding, January 1, 2013	$ 0.74
Issued	$ 0.51
Cancelled	$ 0.54
Expired	$ 0.55
Options outstanding, June 30, 2013	$ 0.69
Options outstanding and exercisable, June 30, 2013	$ 0.72
Weighted Average Remaining Option Life
Options outstanding, June 30, 2013	4 years 3 months 7 days
Options outstanding and exercisable, June 30, 2013	2 years 2 months 12 days