Note 5 - Income Taxes (Tables)

9 Months Ended

Sep. 30, 2014

Income Tax Disclosure [Abstract]

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

	Three months ended September 30,				Nine months ended September 30,
	2014		2013		2014		2013
Provision for income taxes	$	(395)	$	(141)	$	(747)	$	(366)
Effective tax rate		28.0%		25.7%		33.5%		19.2%