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Note 19 - Restricted Net Assets (Detail) (USD $) |  |  |  |  |  | 3 Months Ended
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Mar. 31, 2013 | Dec. 31, 2012 | Jan. 01, 2008 | Mar. 31, 2013 PRC Subsidiary and VIEs [Member] | Dec. 31, 2012 PRC Subsidiary and VIEs [Member] | Mar. 31, 2013 WFOE [Member] | Mar. 31, 2013 Domestic Enterprise [Member]
Minimum Percentage of Annual After-tax Profit for General Reserve |  |  |  |  |  | 10.00% | 10.00%
Minimum Required Reserve as Percent of Registered Capital |  |  |  |  |  | 50.00% | 50.00%
Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries (in Dollars) | $ 5,500,000 | $ 5,500,000 |  |  |  |  |
Withholding Tax Rate Pursuant To EIT Law |  |  | 10.00% |  |  |  |
Preferential Withholding Tax Rate |  |  | 5.00% |  |  |  |
Retained Earnings (Accumulated Deficit) (in Dollars) | 19,535,000 | 19,505,000 |  | 38,500,000 | 38,100,000 |  |
Statutory Accounting Practices, Retained Earnings Not Available for Dividends (in Dollars) | $ 2,296,000 | $ 2,296,000 |  | $ 2,500,000 | $ 2,400,000 |  |

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- Definition Minimum percentage of annual after-tax profit required to be appropriated as general reserve. + References No definition available. + Details
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- Definition Minimum aggregate compulsory appropriatin of general reserve, measured by percentage of registered capital. + References No definition available. + Details
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- Definition Preferential withholding tax rate in PRC. + References No definition available. + Details
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- Definition Withholding tax rate pursuant to PRC Enterprise Income Tax law. + References No definition available. + Details
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- Definition Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph e -Subparagraph 3 -Article 4 + Details
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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- Definition The amount of retained earnings as of the balance sheet date that cannot be distributed to stockholders pursuant to statutory rules and regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 60 -Paragraph 60 -Subparagraph h(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529 + Details
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