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Note 6 - Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Accrued Liabilities [Table Text Block] |
|  | As of December 31, 2011 |  |  | As of December 31, 2012 |
Accrued payroll expenses |  |  | 308,380 |  |  |  | 144,286 |
Accrued interest |  |  | 115,682 |  |  |  | 117,605 |
Accrued general and administrative expenses |  |  | 441,876 |  |  |  | 359,050 |
Accrued commissions |  |  | 84,724 |  |  |  | 98,199 |
Other accrued expenses |  |  | 708,932 |  |  |  | 424,486 |
Total |  |  | 1,659,594 |  |  |  | 1,143,626 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration