Note 8 - Geographic Information (Tables)

9 Months Ended

Sep. 30, 2014

Risks and Uncertainties [Abstract]

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
Revenues:
United States	$	91,902	$	84,800	$	272,562	$	255,830
United Kingdom		21,704		19,493		57,690		52,267
Not connected to a country		99,317		103,151		293,955		303,687
Other		6,754		7,387		21,469		22,714
Total	$	219,677	$	214,831	$	645,676	$	634,498

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	September 30,		December 31,
	2014		2013
Property and Equipment, net:
United States	$	88,041	$	90,709
United Kingdom		6,239		6,189
Not connected to a country		2,167		2,431
Other		13,870		15,395
Total	$	110,317	$	114,724