Note 6 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2013		2014
Accrued compensation and benefits	$	9,056	$	15,041
Accrued selling and professional fees		4,317		4,202
Accrued income, value added and other taxes		17,164		26,576
Accrued medical panel fees		3,460		4,391
Other accrued expenses		4,451		3,768
Totals	$	38,448	$	53,978