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Note 8 - Long-term Incentive Plan (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Number of Options Granted |  |  | Weighted Average Exercise Price |  |  | Weighted Average Fair Value at Grant Date |
Outstanding – January 1, 2011 |  |  | 980,000 |  |  | $ | 2.52 |  |  | $ | 1,04 |
Granted in 2011 |  |  | 280,000 |  |  |  | 2.89 |  |  |  | 1.20 |
Options cancelled |  |  | (50,000 | ) |  |  | 3.35 |  |  |  | 1.42 |
Forfeited (a) |  |  | (450,000 | ) |  |  | 2.48 |  |  |  | 1.02 |
Outstanding – December 31, 2011 |  |  | 760,000 |  |  | $ | 2.63 |  |  | $ | 1.09 |
Granted in 2012 |  |  | — |  |  |  | — |  |  |  | — |
Outstanding – December 31, 2012 |  |  | 760,000 |  |  | $ | 2.63 |  |  | $ | 1.09 |
Options Vested |  |  | 248,000 |  |  |  |  |  |  |  |  |
Exercisable – December 31, 2012 |  |  | 248,000 |  |  |  |  |  |  |  |  |
Schedule of Period and Predetermined Stock Price Needed for Vesting [Table Text Block] |
| Begins Vesting | Ends Vesting |  | Predetermined Vesting Price |
Block 1 | 12 mo. after Grant Dates | 48 mo. after Grant Dates |  | $ | 3.43 |
Block 2 | 24 mo. after Grant Dates | 60 mo. after Grant Dates |  | $ | 4.69 |
Block 3 | 36 mo. after Grant Dates | 72 mo. after Grant Dates |  | $ | 6.43 |
Block 4 | 48 mo. after Grant Dates | 84 mo. after Grant Dates |  | $ | 8.81 |
Block 5 | 60 mo. after Grant Dates | 96 mo. after Grant Dates |  | $ | 12.07 |

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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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