Schedule of Share-based Compensation, Non-vested Stock Options, Activity (Details) (USD $)	6 Months Ended
	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning of Period	11,245,380
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	86,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 1.37
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	(987,500)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, End of Period	8,261,648
Non-vested stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning of Period	1,842,150
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Grant Date Fair Value, Beginning of Period	$ 1.07
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	86,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 0.75
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting During Period, Number	(52,000)
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting During Period, Weighted Average Grant date Fair Value	$ 0.45
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	(126,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period, Weighted Average Grant date Fair Va	$ 1.06
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, End of Period	1,750,650
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Grant Date Fair Value, End of Period	$ 1.07