Stock-Based Compensation (Details 1) (USD $)	3 Months Ended
Mar. 31, 2013	Dec. 31, 2012
Options outstanding
Outstanding at March 31,2013	5,216,750	3,530,085
Weighted-Average Remaining Contractual Life	5 years 6 months
Weighted-Average Exercise Price	$ 0.16	$ 0.24
Exercisable at March 31,2013	1,830,082
Weighted-Average Exercise Price	$ 0.30
0.01 - 0.19
Options outstanding
Range of Exercise Prices, lower limit	$ 0.01
Range of Exercise Prices, upper limit	$ 0.19
Outstanding at March 31,2013	3,420,000
Weighted-Average Remaining Contractual Life	6 years 5 months
Weighted-Average Exercise Price	$ 0.08
Exercisable at March 31,2013	312,361
Weighted-Average Exercise Price	$ 0.16
0.20 - 0.29
Options outstanding
Range of Exercise Prices, lower limit	$ 0.20
Range of Exercise Prices, upper limit	$ 0.29
Outstanding at March 31,2013	738,000
Weighted-Average Remaining Contractual Life	3 years 10 months 24 days
Weighted-Average Exercise Price	$ 0.25
Exercisable at March 31,2013	620,360
Weighted-Average Exercise Price	$ 0.25
0.30 - 0.39
Options outstanding
Range of Exercise Prices, lower limit	$ 0.30
Range of Exercise Prices, upper limit	$ 0.39
Outstanding at March 31,2013	772,500
Weighted-Average Remaining Contractual Life	4 years
Weighted-Average Exercise Price	$ 0.35
Exercisable at March 31,2013	611,111
Weighted-Average Exercise Price	$ 0.35
0.40 - 0.49
Options outstanding
Range of Exercise Prices, lower limit	$ 0.40
Range of Exercise Prices, upper limit	$ 0.49
Outstanding at March 31,2013	276,250
Weighted-Average Remaining Contractual Life	1 year 9 months 18 days
Weighted-Average Exercise Price	$ 0.46
Exercisable at March 31,2013	276,250
Weighted-Average Exercise Price	$ 0.46
0.60 - 0.69
Options outstanding
Range of Exercise Prices, lower limit	$ 0.60
Range of Exercise Prices, upper limit	$ 0.69
Outstanding at March 31,2013	10,000
Weighted-Average Remaining Contractual Life	6 months
Weighted-Average Exercise Price	$ 0.62
Exercisable at March 31,2013	10,000
Weighted-Average Exercise Price	$ 0.62

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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+ References

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