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Stock-based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Schedule of 2003 Stock Option and Appreciation Rights Plan [Table Text Block] |
|  | 2014 |  |  | 2013 |
Options outstanding, beginning of year |  | 1,275,000 |  |  | 1,565,000 |
Options granted |  | — |  |  | 200,000 |
Options exercised |  | — |  |  | (30,000 | )
Options forfeited |  | (17,500 | ) |  | (280,000 | )
Options expired |  | (47,500 | ) |  | (180,000 | )
Options outstanding, end of year |  | 1,210,000 |  |  | 1,275,000 |
Schedule of 2010 Non-Qualified Stock Option Plan [Table Text Block] |
|  | 2014 |  |  | 2013 |
Options outstanding, beginning of year |  | — |  |  | 1,250,000 |
Options granted |  | 100,000 |  |  | — |
Options forfeited |  | — |  |  | (1,250,000 | )
Options outstanding, end of year |  | 100,000 |  |  | — |
Schedule of Equity Partners Stock Option Plan [Table Text Block] |
|  | 2014 |  |  | 2013 |
Options outstanding, beginning of year |  | 230,000 |  |  | 230,000 |
Options granted |  | — |  |  | — |
Options forfeited |  | — |  |  | — |
Options outstanding, end of year |  | 230,000 |  |  | 230,000 |
Schedule of Other Stock Options Issued [Table Text Block] |
|  | 2014 |  |  | 2013 |
Options outstanding, beginning of year |  | 625,000 |  |  | 625,000 |
Options granted |  | — |  |  | — |
Options forfeited |  | — |  |  | — |
Options outstanding, end of year |  | 625,000 |  |  | 625,000 |
Disclosure of Compensation Related Costs, Share-based Payments [Table Text Block] |
| 2014 | 2013
Risk-free interest rate | 0.69% - 0.88% | 0.39% - 0.40%
Expected life (years) | 4.75 | 4.75
Expected volatility | 100% | 124% - 125%
Expected dividend yield | Zero | Zero
Expected forfeitures | Zero | Zero
Schedule of Changes in Common Stock Options [Table Text Block] |
|  | 2014 |  |  | 2013 |
|  |  |  |  | Weighted |  |  |  |  |  | Weighted |
|  |  |  |  | Average |  |  |  |  |  | Average |
|  |  |  |  | Exercise |  |  |  |  |  | Exercise |
|  | Options |  |  | Price |  |  | Options |  |  | Price |
Outstanding at beginning of year |  | 2,130,000 |  | $ | 1.75 |  |  | 3,898,198 |  | $ | 1.75 |
Granted |  | 100,000 |  | $ | 0.70 |  |  | 200,000 |  | $ | 1.00 |
Exercised |  | — |  |  | N/A |  |  | (30,000 | ) | $ | 0.51 |
Expired |  | (47,500 | ) | $ | 1.18 |  |  | (408,198 | ) | $ | 0.85 |
Forfeited |  | (17,500 | ) | $ | 2.00 |  |  | (1,530,000 | ) | $ | 1.91 |
Outstanding at end of year |  | 2,165,000 |  | $ | 1.71 |  |  | 2,130,000 |  | $ | 1.75 |
Options exercisable at year end |  | 1,330,000 |  | $ | 1.75 |  |  | 930,000 |  | $ | 1.69 |
Weighted-average fair value of options granted during the year |  |  |  | $ | 0.36 |  |  |  |  | $ | 0.76 |
Schedule of Nonvested Option Activity [Table Text Block] |
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  |  |  |  | Grant Date |
|  | Options |  |  | Fair Value |
Unvested at December 31, 2013 |  | 1,200,000 |  | $ | 1.67 |
Granted |  | 100,000 |  | $ | 0.36 |
Vested |  | (447,500 | ) | $ | 1.73 |
Forfeited |  | (17,500 | ) | $ | 1.73 |
Unvested at December 31, 2014 |  | 835,000 |  | $ | 1.48 |
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  |  |  |  | Grant Date |
|  | Options |  |  | Fair Value |
Unvested at December 31, 2012 |  | 2,600,000 |  | $ | 1.23 |
Granted |  | 200,000 |  | $ | 0.76 |
Vested |  | (790,000 | ) | $ | 1.16 |
Forfeited |  | (810,000 | ) | $ | 0.53 |
Unvested at December 31, 2013 |  | 1,200,000 |  | $ | 1.67 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] |
|  |  |  |  | Weighted |  |  | Weighted |  |  |  |  |  | Weighted |  |  | Weighted |
|  |  |  |  | Average |  |  | Average |  |  |  |  |  | Average |  |  | Average |
|  | Options |  |  | Remaining |  |  | Exercise |  |  | Number |  |  | Remaining |  |  | Exercise |
Exercise price |  | Outstanding |  |  | Life (years) |  |  | Price |  |  | Exercisable |  |  | Life (years) |  |  | Price |
$0.08 to $0.15 |  | 80,000 |  |  | 1.75 |  | $ | 0.12 |  |  | 80,000 |  |  | 1.75 |  | $ | 0.12 |
$0.69 to $1.00 |  | 380,000 |  |  | 4.77 |  | $ | 0.93 |  |  | 120,000 |  |  | 3.07 |  | $ | 0.95 |
$1.83 to $2.00 |  | 1,705,000 |  |  | 3.83 |  | $ | 1.97 |  |  | 1,130,000 |  |  | 3.74 |  | $ | 1.95 |
|  | 2,165,000 |  |  | 3.92 |  | $ | 1.71 |  |  | 1,330,000 |  |  | 3.56 |  | $ | 1.75 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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