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Equity (Tables)
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12 Months Ended |
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Dec. 31, 2014
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| Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
The Company had the following stock purchase warrants outstanding at December 31: | Outstanding | | | | | | | | | 12/31/14 | 12/31/13 | | Exercise
Price | | Expiration | | Classification | | | - | | | 200,000 | | $ | 1.50 | | February-14 | | Equity | | | - | | | 800,000 | | $ | 0.70 | | June-14 | | Equity | | | - | | | 1,180,547 | | $ | 1.42 | | December-14 | | Equity | | | - | | | 2,115,596 | | $ | 1.42 | | December-14 | | Equity | | | 1,070,916 | | | 1,070,916 | | $ | 0.51 | | February-15 | | Equity | | | 325,000 | | | 325,000 | | $ | 1.25 | | February-15 | | Equity | | | 325,000 | | | 325,000 | | $ | 1.50 | | February-15 | | Equity | | | 325,000 | | | 325,000 | | $ | 1.75 | | February-15 | | Equity | | | 1,295,138 | | | 1,295,138 | | $ | 0.54 | | April-15 | | Equity | | | 100,000 | | | 100,000 | | $ | 0.37 | | October-15 | | Equity | | | 1,488,839 | | | 1,488,839 | | $ | 0.60 | | April-16 | | Equity | | | 916,665 | | | 916,665 | | $ | 0.50 | | April-16 | | Equity | | | 20,000 | | | - | | $ | 0.40 | | June-16 | | Equity | | | 136,364 | | | 136,364 | | $ | 0.66 | | February-18 | | Equity | | | 6,363,638 | | | 6,363,638 | | $ | 0.75 | | February-18 | | Equity | | | 5,047,461 | | | 5,047,461 | | $ | 0.65 | | December-18 | | Equity* | | | 232,964 | | | - | | $ | 0.65 | | December-18 | | Equity | | | 2,884,615 | | | - | | $ | 0.52 | | March-19 | | Liability | | | 1,474,615 | | | - | | $ | 0.52 | | March-19 | | Liability | | | 3,525,000 | | | - | | $ | 0.52 | | June-19 | | Liability | | | 1,079,137 | | | 1,079,137 | | $ | 0.70 | | February-20 | | Equity | | | 250,000 | | | 250,000 | | $ | 0.70 | | February-20 | | Equity | | | 25,115,384 | | | - | | $ | 0.52 | | March-21 | | Liability | | | 67,500,000 | | | - | | $ | 0.52 | | June-21 | | Liability | | | 119,475,736 | | | 23,019,301 | | | | | | | | | * These warrants were reclassified to additional paid-in capital as a result of the expiration of non-standard anti-dilution clauses contained within the warrants. |
| Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] |
The following table summarizes information about stock options outstanding as of December 31, 2014: | | | Options Outstanding | | Options Exercisable | | | | | | | Weighted | | Weighted | | | | Weighted | | | Range of | | Number of | | Average | | Average | | | | Average | | | Exercise | | Outstanding | | Remaining | | Exercise | | Number | | Exercise | | | Prices | | Shares | | Contract Life | | Price | | Exercisable | | Price | | | | | | | | | | | | | | | | | | $0.30 - $0.50 | | 3,049,748 | | 8.11 | | $ | 0.41 | | 954,164 | | $ | 0.43 | | | $0.51 - $0.75 | | 7,721,900 | | 8.40 | | $ | 0.60 | | 2,932,999 | | $ | 0.60 | | | $0.76 - $1.25 | | 805,000 | | 5.40 | | $ | 0.95 | | 805,000 | | $ | 0.95 | | | $1.26 - $1.75 | | 1,733,477 | | 3.91 | | $ | 1.42 | | 1,732,477 | | $ | 1.42 | | | $1.76 - $2.75 | | 825,500 | | 2.42 | | $ | 2.32 | | 803,665 | | $ | 2.32 | | | $2.76 - $4.50 | | 0 | | 0.00 | | | — | | 0 | | | — | | | $4.51 - $6.00 | | 70,000 | | 1.03 | | $ | 5.20 | | 70,000 | | $ | 5.20 | | |
| Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
A summary of service provider warrant activity as of December 31, 2014, and changes during 2014, is presented below: | | | | | | | Weighted- | | | | | | | | | Weighted- | | Average | | | | | | | | | Average | | Remaining | | Aggregate | | | | | | | Exercise | | Contractual | | Intrinsic | | | Warrants to Service Providers | | Shares | | Price | | Term | | Value | | | | | | | | | | | | | | | | Outstanding at January 1, 2014 | | 1,661,364 | | $ | 1.24 | | 1.9 | | | | | | Granted | | 20,000 | | $ | 0.40 | | | | | | | | Exercised | | 0 | | | — | | | | | | | | Forfeited or expired | | (200,000) | | $ | 1.50 | | | | | | | | Outstanding at December 31, 2014 | | 1,481,364 | | $ | 1.20 | | 1.3 | | $ | 0 | | | Exercisable at December 31, 2014 | | 1,471,364 | | $ | 1.20 | | 1.3 | | $ | 0 | | |
| Schedule Of Warrants Outstanding [Table Text Block] |
The following table summarizes information about these warrants outstanding as of December 31, 2014: | | | Warrants Outstanding | | Warrants Exercisable | | | | | | | Weighted | | Weighted | | | | Weighted | | | Range of | | Number of | | Average | | Average | | | | Average | | | Exercise | | Outstanding | | Remaining | | Exercise | | Number | | Exercise | | | Prices | | Shares | | Contract Life | | Price | | Exercisable | | Price | | | $0.30 - $0.50 | | 120,000 | | 0.9 | | $ | 0.38 | | 110,000 | | $ | 0.37 | | | $0.51 - $0.75 | | 386,364 | | 4.4 | | $ | 0.69 | | 386,364 | | $ | 0.69 | | | $0.76 - $1.25 | | 325,000 | | 0.1 | | $ | 1.25 | | 325,000 | | $ | 1.25 | | | $1.26 - $1.75 | | 650,000 | | 0.1 | | $ | 1.63 | | 650,000 | | $ | 1.63 | | |
| Schedule Of Share Based Compensation Expense [Table Text Block] |
The Company has recorded stock-based compensation expense as follows: | | | Year Ended December 31 | | | Stock-Based Expense | | 2014 | | 2013 | | | Awards under the 2002 LTIP and 2013 EIP | | | 1,269,150 | | | 679,550 | | | Awards outside the equity-based plans | | | 10,145 | | | 38,313 | | | | | $ | 1,279,295 | | $ | 717,863 | | | Included in Statements of Operations caption as follows: | | | | | | | | | Salaries and wages | | $ | 1,154,767 | | $ | 564,737 | | | Consulting expense | | | 10,145 | | | 16,278 | | | General and administrative | | | 114,383 | | | 136,848 | | | | | $ | 1,279,295 | | $ | 717,863 | | |
| Incentive Plan [Member] |
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| Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
A summary of stock option activity under the Plans as of December 31, 2014, and changes during 2014, is presented below: | | | | | | | Weighted- | | | | | | | | | Weighted- | | Average | | | | | | | | | Average | | Remaining | | Aggregate | | | | | | | Exercise | | Contractual | | Intrinsic | | | Stock Options | | Shares | | Price | | Term | | Value | | | | | | | | | | | | | | | | Outstanding at January 1, 2014 | | 8,520,816 | | $ | 1.19 | | | | | | | | Granted | | 8,462,248 | | $ | 0.55 | | | | | | | | Exercised | | 0 | | | — | | | | | | | | Forfeited or expired | | (2,777,439) | | $ | 1.25 | | | | | | | | Outstanding at December 31, 2014 | | 14,205,625 | | $ | 0.80 | | 7.2 | | $ | 2,000 | | | Exercisable at December 31, 2014 | | 7,298,305 | | $ | 1.05 | | 5.3 | | $ | 2,000 | | |