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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2013
Equity [Abstract] |
Schedule of Common Stock Shares Issued | During the year ended December 31, 2013, we issued shares of common stock as follows:
|  | Common Stock Shares |  |  | Amount |
Common stock issued for services |  |  | 69,017 |  |  | $ | 198,858 |
Common stock issued for Quest acquisition |  |  | 22,000,000 |  |  |  | 55,000,000 |
Note and interest conversions |  |  | 8,472,539 |  |  |  | 3,148,493 |
Warrant conversions |  |  | 7,232,779 |  |  |  | 21,698,338 |
|  |  | 37,774,335 |  |  | $ | 80,045,689 |
Summary of Warrants Issued and Outstanding | The following table summarizes the warrants issued and outstanding as of December 31, 2013:
Warrants Issued and Outstanding as of December 31, 2013 |
|  | Date of |  |  | Exercise Price |  |  | Shares of |
Description |  | Issuance |  |  | Expiration |  |  |  | Common Stock |
Exercisable warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant 1-1 |  |  | 03/22/12 |  |  |  | 03/21/17 |  |  | $ | 0.37 |  |  |  | 1,381,115 |
Warrant 1-5 |  |  | 10/10/12 |  |  |  | 10/09/17 |  |  | $ | 0.37 |  |  |  | 5,524,461 |
Warrant 1-6 |  |  | 03/29/13 |  |  |  | 03/21/17 |  |  | $ | 0.37 |  |  |  | 500,000 |
Less warrants exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7,405,576 | )
Total exercisable warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |
Contingent warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant 1-2 |  |  | 03/22/12 |  |  |  | 03/21/17 |  |  | $ | 0.37 |  |  |  | 345,278 |
Warrant 1-3 |  |  | 03/22/12 |  |  |  | 03/21/17 |  |  | $ | 0.37 |  |  |  | 345,278 |
Warrant 1-4 |  |  | 03/22/12 |  |  |  | 03/21/17 |  |  | $ | 0.37 |  |  |  | 690,557 |
Less warrants cancelled |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,381,113 | )
Total contingent warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |
Total warrants issued and outstanding |  |  |  | — |
Summary of Stock Option Activity | Following is a summary of stock option activity from January 1, 2012 through December 31, 2013:
|  | Stock Options |
|  | Number of Shares |  |  | Exercise Price Per Share |  |  | Weighted- Average Exercise Price Per Share |
Outstanding at January 1, 2012 |  |  | 1,381,115 |  |  | $ | 2.35 |  |  | $ | 2.35 |
Granted |  |  | 1,969,000 |  |  |  | 2.00 – 2.79 |  |  |  | 2.10 |
Canceled/Forfeited |  |  | — |  |  |  | — |  |  |  | — |
Outstanding at December 31, 2012 |  |  | 3,350,115 |  |  |  | 2.00 – 2.79 |  |  |  | 2.20 |
Granted |  |  | 1,150,500 |  |  |  | 2.05 – 2.65 |  |  |  | 2.11 |
Canceled/Forfeited |  |  | 358,667 |  |  |  | 2.10 – 2.79 |  |  |  | 2.18 |
Outstanding at December 31, 2013 |  |  | 4,141,948 |  |  |  | 2.00 – 3.25 |  |  |  | 2.48 |
Summary of Stock Option Outstanding | The following additional information applies to options outstanding at December 31, 2013:
Ranges of Exercise Prices |  | Outstanding at December 31, 2013 |  |  | Weighted- Average Remaining Contractual Life |  |  | Weighted- Average Exercise Price |  |  | Exercisable at December 31, 2013 |  |  | Weighted- Average Exercise Price |
$2.00 – $3.25 |  |  | 4,141,948 |  |  |  | 8.5 |  |  | $ | 2.48 |  |  |  | 2,939,448 |  |  | $ | 2.63 |
The following additional information applies to options outstanding at December 31, 2012:
Ranges of Exercise Prices |  | Outstanding at December 31, 2012 |  |  | Weighted- Average Remaining Contractual Life |  |  | Weighted- Average Exercise Price |  |  | Excercisable at December 31, 2012 |  |  | Weighted- Average Exercise Price |
$2.00 – $2.79 |  |  | 3,350,115 |  |  |  | 9.6 |  |  | $ | 2.20 |  |  |  | 1,922,782 |  |  | $ | 2.27 |
Schedule of Weighted-Average Estimated Value of Employee Stock Options Granted | The weighted-average estimated value of employee stock options granted during the years ended December 31, 2013 and 2012 were estimated using the Black-Scholes-Merton option pricing model with the following weighted-average assumptions:
|  | Years Ended December 31, |
|  | 2013 |  |  | 2012 |
Expected volatility |  |  | 105 | % |  |  | 155 | %
Risk-free interest rate |  |  | 1.51 | % |  |  | 0.70 | %
Expected dividends |  |  | 0.00 | % |  |  | 0.00 | %
Expected term in years |  |  | 5.8 |  |  |  | 5.4 |

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