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Note 5 - Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  | Number of Shares Awarded |  |  | Weighted Average Grant Date Fair Value |
Non-vested at December 31, 2013 |  |  | 281,835 |  |  | $ | 1.26 |
Granted |  |  | 385,652 |  |  |  | 1.04 |
Vested |  |  | (8,874 | ) |  |  | 1.73 |
Non-vested at June 30, 2014 |  |  | 658,613 |  |  | $ | 1.12 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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