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Note 6 - Income Taxes (Details) - Income Tax Expense (Benefit) Componants - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Expense (Benefit) Componants [Abstract]
Current tax expense	$ 28	$ 28	$ 31	$ 28
Total tax expense	$ 28	$ 28	$ 31	$ 28

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- References

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- Definition

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 9



-Subparagraph (a)



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-Name Accounting Standards Codification



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-SubTopic 10



-Section S99



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-Publisher FASB



-Name Accounting Standards Codification



-Glossary Current Tax Expense (or Benefit)



-URI http://asc.fasb.org/extlink&oid=6509736



Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



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-Publisher SEC



-Name Staff Accounting Bulletin (SAB)



-Number Topic 6



-Section I



-Subsection 7

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 9



-Subparagraph (a),(b)



-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319



Reference 2: 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.(h))



-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



Reference 3: http://www.xbrl.org/2003/role/presentationRef



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-Name Accounting Standards Codification



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-URI http://asc.fasb.org/extlink&oid=6515339

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