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Schedule of Share-based Compensation, Stock Options, Activity (Details) (USD $)
1 Months Ended 6 Months Ended
Jun. 30, 2014
May 31, 2014
Apr. 30, 2014
Mar. 31, 2014
Feb. 28, 2014
Jan. 31, 2014
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning of Period           11,245,380 11,245,380
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning of Period           $ 2.07 $ 2.07
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             $ 1.37
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period             (1,814,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price             $ 3.43
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 0 (84,000) (35,032) (60,000) (67,700) (22,000) (268,732)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price             $ 1.22
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, Expirations in Period, Weighted Average Exercise Price             $ 2.58
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, End of Period 8,261,648           8,261,648
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, End of Period $ 1.73           $ 1.73
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term, End of Period             5 years 8 months 5 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value, End of Period $ 1,517,809           $ 1,517,809
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number, End of Period 6,510,998           6,510,998
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price, End of Period $ 1.87           $ 1.87
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term, End of Period             4 years 11 months 23 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value, End of Period $ 1,031,905           $ 1,031,905