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Note 8 - Prepaid Expenses and Other Receivables (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Other Current Assets [Table Text Block] | Other current assets consisted of the following at December 31, 2012 and 2011:
|  | 2012 |  |  | 2011 |
Prepaid expenses |  | $ | 111,521 |  |  | $ | 81,841 |
Other receivables |  |  | 68,192 |  |  |  | 32,012 |
Total |  | $ | 179,713 |  |  | $ | 113,853 |

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- Definition Tabular disclosure of the carrying amounts of other current assets. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration