Note 8 - Geographic Information (Details) - Property and Equipment by Geographic Area (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property and Equipment, net:
Property and Equipment, net	$ 114,114	$ 114,724
United States [Member]
Property and Equipment, net:
Property and Equipment, net	90,885	90,709
United Kingdom [Member]
Property and Equipment, net:
Property and Equipment, net	6,369	6,189
Not Connected to a Country [Member]
Property and Equipment, net:
Property and Equipment, net	2,302	2,431
Other Countries [Member]
Property and Equipment, net:
Property and Equipment, net	$ 14,558	$ 15,395