Note 6 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2014		2015
Accrued compensation and benefits	$	15,041	$	13,266
Accrued selling and professional fees		4,202		5,457
Accrued income, value added and other taxes		26,576		30,774
Accrued medical panel fees		4,391		7,598
Other accrued expenses		3,768		3,653
Totals	$	53,978	$	60,748