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Note 8 - Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Income Tax Expense (Benefit) | $ 380 | $ 528
Deferred Tax Liabilities, Net | 4,040 | 4,196
Deferred Tax Liabilities, Net, Noncurrent | 4,160 | 4,170
Deferred Tax Assets, Net of Valuation Allowance, Current | 120 | 161
Deferred Tax Liabilities, Net, Current |  | 187
Operating Loss Carryforwards | 58,030 |
Operating Loss Carryforwards, Amount Recorded In Equity Upon Realization | 2,949 |
Future, Fully Phased In Tax Rate | 25.00% |
Foreign [Member] |  |
Operating Loss Carryforwards | 12,390 |
Domestic [Member] |  |
Operating Loss Carryforwards | $ 48,589 |
Minimum [Member] |  |
Operating Loss Carryforwards, Limitations on Use | $12,000 |
Maximum [Member] |  |
Operating Loss Carryforwards, Limitations on Use | $14,500 |

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards 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 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31928-109318 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31958-109318 Reference 5: 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 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 41, 42, 43 -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. + Details
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