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Note 4 - Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Schedule of Income Tax Provisions and Rates [Table Text Block]

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Provision for income taxes	$	(6)		$	(395)		$	(202)		$	(747)
Effective tax rate		2.8%			28.0%			15.3%			33.5%

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- Definition

Tabular disclosure of the provision for income taxes and the related effective income tax rates.

+ References

No definition available.

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- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration