Note 13 - Geographic Information (Tables)

12 Months Ended

Dec. 31, 2012

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

	Year Ended December 31,
	2012		2011		2010
Revenues:
United States	$	303,213	$	206,110	$	183,408
United Kingdom		69,804		66,055		57,852
Not connected to a country		404,596		395,743		345,349
Other		33,868		33,724		33,776
Total	$	811,481	$	701,632	$	620,385

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

	December 31,
	2012		2011
Property and Equipment, net
United States	$	75,156	$	60,194
United Kingdom		6,568		5,951
Not connected to a country		1,505		1,264
Other		17,316		19,811
Total	$	100,545	$	87,220