Stockholders' Equity (Details 1) (USD $) | 3 Months Ended | |
Mar. 31, 2014 | Dec. 31, 2013 |
Employee Stock Option [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 4,980,254 | 4,980,254 |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.18 | $0.18 |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '6 years 2 months 12 days | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | 3,313,586 | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | $0.12 | ' |
Stock Options Exercisable, Weighted Average Remaining Contractual Life (Years) | '5 years 2 months 12 days | ' |
Employee Stock Option [Member] | Range 1 [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Range of exercise prices | $0.08 | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 300,000 | ' |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.08 | ' |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '1 month 6 days | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | 300,000 | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | $0.08 | ' |
Stock Options Exercisable, Weighted Average Remaining Contractual Life (Years) | '0 years | ' |
Employee Stock Option [Member] | Range 2 [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Range of exercise prices | $0.10 | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 2,180,253 | ' |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.10 | ' |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '4 years 10 months 24 days | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | 2,180,253 | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | $0.10 | ' |
Stock Options Exercisable, Weighted Average Remaining Contractual Life (Years) | '4 years 10 months 24 days | ' |
Employee Stock Option [Member] | Range 3 [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Range of exercise prices | $0.20 | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 833,333 | ' |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.20 | ' |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '8 years | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | 833,333 | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | $0.20 | ' |
Stock Options Exercisable, Weighted Average Remaining Contractual Life (Years) | '8 years | ' |
Employee Stock Option [Member] | Range 4 [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Range of exercise prices | $0.30 | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 1,666,668 | ' |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.30 | ' |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '8 years | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | ' | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | ' | ' |
Warrant [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 36,844,565 | 36,844,565 |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.12 | $0.12 |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '2 years 8 months 12 days | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | 36,844,565 | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | $0.13 | ' |
Stock Options Exercisable, Weighted Average Remaining Contractual Life (Years) | '2 years 8 months 12 days | ' |
Warrant [Member] | Range 1 [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Range of exercise prices, Lower limit | $0.03 | ' |
Range of exercise prices, Upper limit | $0.04 | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 1,151,567 | ' |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.04 | ' |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '2 years 9 months 18 days | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | 1,151,567 | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | $0.04 | ' |
Stock Options Exercisable, Weighted Average Remaining Contractual Life (Years) | '2 years 9 months 18 days | ' |
Warrant [Member] | Range 2 [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Range of exercise prices, Lower limit | $0.07 | ' |
Range of exercise prices, Upper limit | $0.10 | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 23,056,061 | ' |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.09 | ' |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '3 years 8 months 12 days | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | 23,056,061 | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | $0.09 | ' |
Stock Options Exercisable, Weighted Average Remaining Contractual Life (Years) | '3 years 8 months 12 days | ' |
Warrant [Member] | Range 3 [Member] | ' | ' |
Summary of stock option and warrant transactions | ' | ' |
Range of exercise prices | $0.20 | ' |
Stock Options Outstanding, Number of Shares Available under outstanding Option/warrant | 2,622,500 | ' |
Stock Options Outstanding, Weighted Average Exercise Price Per Common Share | $0.50 | ' |
Stock Options Outstanding, Weighted Average Remaining Contractual Life (Years) | '1 year | ' |
Stock Options Exercisable, Number of Shares Available for Purchase Under Outstanding stock | 12,636,937 | ' |
Stock Options Exercisable, Weighted Average Exercise Price Per Common Share | $0.20 | ' |
Stock Options Exercisable, Weighted Average Remaining Contractual Life (Years) | '1 year | ' |