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STOCKHOLDERS' EQUITY: (Tables) | 12 Months Ended
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Dec. 31, 2014
Stockholders' Equity Note [Abstract] |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] | These fair values were derived using the BSM with the following weighted-average assumptions:
| For the Years Ended December 31, |
|  | 2014 |  | 2013 |  | 2012 |
Average risk-free interest rate |  |  | 1.94 | % |  | — |  |  | 0.62 | %
Expected dividend yield |  |  | 0.00 | % |  | — |  |  | 0.00 | %
Expected lives |  |  | 6.00 years |  |  | — |  |  | 6.00 years |
Expected volatility |  |  | 121.1 | % |  | — |  |  | 127.5 | %
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | Transactions and other information relating to stock options for the years December 31, 2014, 2013 and 2012 are summarized below:
|  |  |  |  |  |  |  | Weighted- |  |  |  |
|  |  |  |  |  |  |  | Average |  |  |  |
|  |  |  |  | Weighted- |  | Remaining |  |  |  |
|  | Number |  | Average |  | Contractual |  | Aggregate |
|  | of |  | Exercise |  | Term (In |  | Intrinsic |
|  | Options |  | Price |  | Years) |  | Value |
Outstanding at December 31, 2011 |  |  | 4,811,000 |  | $ | 8.60 |  |  | — |  |  | — |
Grants |  |  | 151,000 |  | $ | 0.83 |  |  |  |  |  |  |
Exercised |  |  | — |  | $ | — |  |  |  |  |  |  |
Forfeited/cancelled/expired |  |  | (332,000) |  | $ | 11.05 |  |  |  |  |  |  |
Outstanding at December 31, 2012 |  |  | 4,630,000 |  | $ | 8.17 |  |  | — |  |  | — |
Grants |  |  | — |  | $ | — |  |  |  |  |  |  |
Exercised |  |  | — |  | $ | — |  |  |  |  |  |  |
Forfeited/cancelled/expired |  |  | (330,000) |  | $ | 17.43 |  |  |  |  |  |  |
Outstanding at December 31, 2013 |  |  | 4,300,000 |  | $ | 7.46 |  |  | — |  |  | — |
Grants |  |  | 1,105,000 |  | $ | 2.75 |  |  |  |  |  |  |
Exercised |  |  | (92,000) |  | $ | 1.36 |  |  |  |  |  |  |
Forfeited/cancelled/expired |  |  | (1,576,000) |  | $ | 14.81 |  |  |  |  |  |  |
Outstanding at December 31, 2014 |  |  | 3,737,000 |  | $ | 3.12 |  |  | 5.18 |  | $ | 629,440 |
Vested and expected to vest at December 31, 2014 |  |  | 3,629,000 |  | $ | 3.13 |  |  | 5.04 |  | $ | 629,440 |
Unvested at December 31, 2014 |  |  | 1,105,000 |  | $ | 2.75 |  |  | 9.77 |  | $ | — |
Exercisable at December 31, 2014 |  |  | 2,632,000 |  | $ | 3.28 |  |  | 3.26 |  | $ | 629,440 |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] | Transactions and other information relating to restricted stock grants for the years ended December 31, 2014, 2013 and 2012 are summarized below:
|  |  |  |  | Average |
|  |  |  |  | Fair |
|  |  |  |  | Value at |
|  |  |  |  | Grant |
|  | Shares |  | Date |
Unvested at December 31, 2011 |  |  | 144,000 |  | $ | 1.10 |
Grants |  |  | — |  | $ | — |
Vested |  |  | (62,000) |  | $ | 1.09 |
Forfeited/cancelled/expired |  |  | — |  | $ | — |
Unvested at December 31, 2012 |  |  | 82,000 |  | $ | 1.11 |
Grants |  |  | 110,000 |  | $ | 2.28 |
Vested |  |  | (62,000) |  | $ | 1.09 |
Forfeited/cancelled/expired |  |  | — |  | $ | — |
Unvested at December 31, 2013 |  |  | 130,000 |  | $ | 2.11 |
Grants |  |  | 2,480,000 |  | $ | 2.79 |
Vested |  |  | (75,000) |  | $ | 1.99 |
Forfeited/cancelled/expired |  |  | — |  | $ | — |
Unvested at December 31, 2014 |  |  | 2,535,000 |  | $ | 2.78 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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 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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