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6. STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2013
Share-based Compensation [Abstract] |
Schedule of stock-based compensation |
Outstanding Options and Warrants Under the 2006 Plan and 2000 Plan |  | Shares |  |  | Weighted Average Exercise Price Per Common Share |  | Weighted Average Remaining Contractual Life (in years) |  | Aggregate Intrinsic Value |
Balance, December 31, 2012 |  |  | 6,231,250 |  |  | $3.58 |  |  |  |  |  |
Granted |  |  | – |  |  | - |  |  |  |  |  |
Exercised |  |  | – |  |  | - |  |  |  |  |  |
Canceled or expired |  |  | (725,000 | ) |  | 6.82 |  |  |  |  |  |
Balance, June 30, 2013 |  |  | 5,506,250 |  |  | 3.16 |  | 1.61 |  | $ | 960,013 |
Exercisable at June 30, 2013 |  |  | 4,916,250 |  |  | 3.19 |  | 1.48 |  |  | 894,879 |
|  |  |  |  | Weighted Average Exercise Price Per |  | Weighted Average Remaining Contractual Life |  | Aggregate Intrinsic |
Non-Plan Outstanding Warrants |  | Shares |  |  | Common Share |  | (in years) |  | Value |
Balance, December 31, 2012 |  |  | 1,502,898 |  |  | $1.50 |  |  |  |  |  |
Granted |  |  | – |  |  | - |  |  |  |  |  |
Exercised |  |  | (1,172,898 | ) |  | 1.12 |  |  |  |  |  |
Canceled or expired |  |  | – |  |  | - |  |  |  |  |  |
Balance, June 30, 2013 |  |  | 330,000 |  |  | 2.87 |  | 1.60 |  | $ | 6,000 |
Exercisable at June 30, 2013 |  |  | 330,000 |  |  | 2.87 |  | 1.60 |  |  | 6,000 |

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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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