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Note 8 - Income Taxes (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Note 8 - Income Taxes (Details) [Line Items] |  |
Income Tax Expense (Benefit) | $ 239,000 | $ 554,000
Deferred Tax Liabilities, Net | 4,160,000 | 4,040,000
Deferred Tax Liabilities, Net, Current | 9,000 |
Deferred Tax Liabilities, Net, Noncurrent | 4,242,000 | 4,160,000
Deferred Tax Assets, Net, Current | 91,000 | 120,000
Operating Loss Carryforwards | 62,152,000 |
Operating Loss Carryforwards, Amount Recorded In Equity Upon Realization | 2,949,000 |
Deferred Tax Liabilities, Undistributed Foreign Earnings | 0 | 0
Effective Income Tax Rate Reconciliation, Percent | 28.20% | 96.50%
China [Member] |  |
Note 8 - Income Taxes (Details) [Line Items] |  |
Effective Income Tax Rate Reconciliation, Percent | 15.00% | 25.00%
Foreign [Member] |  |
Note 8 - Income Taxes (Details) [Line Items] |  |
Operating Loss Carryforwards | 12,390,000 |
Domestic [Member] |  |
Note 8 - Income Taxes (Details) [Line Items] |  |
Operating Loss Carryforwards | 49,762,000 |
Increase In Net Deferred Tax Liability [Member] |  |
Note 8 - Income Taxes (Details) [Line Items] |  |
Income Tax Expense (Benefit) | $ 239,000 | $ 380,000

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences expected to be realized or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31917-109318 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31931-109318 + Details
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