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Note 11 - Stock Incentive Plan (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |
Schedule of Nonvested Share Activity [Table Text Block] |
|  | Non-vested Shares |  |  | Weighted average grant date fair value |
As of December 31, 2013 and as of March 31, 2014 |  |  | 21,034 |  |  | $ | 366.24 |
|  | Non-vested Shares |  |  | Weighted average grant date fair value |
As of January 1, 2013 |  |  | 22,106 |  |  |  | $365.75 |
Granted and issued shares |  |  | 20,000 |  |  |  | $10.64 |
Granted and non issued shares |  |  | 7,142 |  |  |  | $11.20 |
Vested |  |  | (28,214 | ) |  |  | $23.87 |
As of December 31, 2013 |  |  | 21,034 |  |  |  | $366.24 |
Schedule of Share-based Compensation, Activity [Table Text Block] |  |
Grant Date |  | Number of Shares |  | Issued to |  | Vesting Period (according to the way stock-based compensation is expensed)
December 21, 2009 |  |  | 4,285 |  | New Non-Executive Directors |  | proportionately over a period of 5 years
December 21, 2009 |  |  | 7,142 |  | CEO |  | on the grant date
October 29, 2010 |  |  | 3,571 |  | Officer |  | 15 equal monthly installments (1st vesting on the grant date)
October 29, 2010 |  |  | 7,138 |  | Officer |  | 15 equal monthly installments (1st vesting on the grant date)
December 2, 2010 |  |  | 7,142 |  | CEO |  | on the grant date
December 1, 2011 |  |  | 7,142 |  | CEO |  | on the grant date
February 12, 2013 |  |  | 7,142 |  | CEO |  | on the grant date
September 26, 2013 |  |  | 7,142 |  | Officer |  | on the grant date
September 26, 2013 |  |  | 5,714 |  | Officer |  | on the grant date
December 18, 2013 |  |  | 7,142 |  | CEO |  | on the grant date

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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