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Note 1 - Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2013
Accounting Policies [Abstract] |
Allowance for Credit Losses on Financing Receivables [Table Text Block] |
|  | 2013 |  |  | 2012 |
Allowance for doubtful accounts at the beginning of the period |  | $ | 1,243,500 |  |  | $ | 389,032 |
Bad debt expense |  |  | 45,425 |  |  |  | 1,078,365 |
Amount of receivables written off |  |  | (112,101 | ) |  |  | (248,895 | )
Effect of currency translation |  |  | 33,559 |  |  |  | 24,998 |
Allowance for doubtful accounts at the end of the period |  | $ | 1,210,383 |  |  | $ | 1,243,500 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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