Note 13 - Segment and Geographical Information (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

Revenues:	For the three months ended September 30,				For the nine months ended September 30,
	2012		2013		2012		2013
United States	$	84,784	$	93,963	$	260,442	$	280,634
Canada		6,553		7,290		20,457		22,986
United Kingdom		33,521		34,604		95,474		103,645
Australia		5,227		16,497		5,227		49,940
Total	$	130,085	$	152,354	$	381,600	$	457,205

Disclosure on Geographic Areas, Long-Lived Assets

Long-lived assets: (1)	December 31, 2012		September 30, 2013
United States	$	337,831	$	321,286
Canada		34,919		26,242
United Kingdom		99,140		95,409
Australia		94,291		78,415
Total	$	566,181	$	521,352