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Note 5 - Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  | Shares |  |  | Wtd. Avg. Price at Date of Issuance |
Outstanding at December 31, 2010 |  |  | 114,613 |  |  | $ | 0.45 |
Granted |  |  | 620,000 |  |  |  | 0.37 |
Vested |  |  | (242,177 | ) |  |  | 0.38 |
Forfeited |  |  | (18,748 | ) |  |  | 0.69 |
Outstanding at December 31, 2011 |  |  | 473,688 |  |  |  | 0.37 |
Granted |  |  | – |  |  |  | – |
Vested |  |  | (212,030 | ) |  |  | 0.36 |
Forfeited |  |  | – |  |  |  | – |
Outstanding at December 31, 2012 |  |  | 261,658 |  |  |  | 0.37 |

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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
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration