Stock Options and Warrants (Summary of Options Activity) (Details) (USD $)	6 Months Ended
	Jun. 30, 2013
Stock Options [Member]
Number of Options
Options outstanding at December 31, 2012	3,863,972
Options granted
Options exercised
Options cancelled
Options expired
Options at end of period	3,734,972
Options exercisable at June 30, 2013	2,888,298
Weighted Average Exercise Price
Options outstanding at December 31, 2012	$ 0.27
Options granted	$ 0.00
Options exercised	$ 0.00
Options cancelled	$ 0.00
Options expired	$ 1.80
Options at end of period	$ 0.27
Options exercisable at June 30, 2013	$ 0.29
Nonvested Stock Options [Member]
Number of Options
Options outstanding at December 31, 2012	1,687,000
Options granted
Options vested	840,236
Options cancelled
Options at end of period	846,674
Weighted Average Exercise Price
Options outstanding at December 31, 2012	$ 0.13
Options granted	$ 0.00
Options vested	$ 0.12
Options cancelled	$ 0.00
Options at end of period	$ 0.14
Warrant [Member]
Number of Options
Options outstanding at December 31, 2012	3,899,758
Options granted
Options exercised
Options expired	939,470
Options at end of period	2,960,288
Weighted Average Exercise Price
Options outstanding at December 31, 2012	$ 0.77
Options granted	$ 0.00
Options exercised	$ 0.00
Options expired	$ 1.25
Options at end of period	$ 0.61