Stock Options and Warrants (Summary of Warrants Outstanding by Price Range) (Details) - Warrant [Member] - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share Based Compensation Shares Authorized Under Equity Instruments Other Than Options Exercise Price Range [Line Items]
Warrants outstanding exercise price range, lower limit	$ 0.01	$ 0.01	$ 0.01
Warrants outstanding exercise price range, upper limit	0.07	0.07	$ 0.07
Warrants granted exercise price range, upper limit		0.02
Warrants expired/cancelled exercise price range, lower limit	0.06	0.03
Warrants expired/cancelled exercise price range, upper limit	0.07	$ 0.07
Warrants exercisable exercise price range, lower limit	0.01
Warrants exercisable exercise price range, upper limit	$ 0.07
Weighted average remaining contractual life	4 years 6 months 4 days
Number exercisable	590,000
Weighted average exercise price, exercisable	$ 0.023
Warrants exercisable, weighted average remaining contractual life	4 years 2 months 23 days