Note 7 - Accrued Liabilities (Detail) - Accrued Liabilities (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Compensation	$ 1,027	$ 1,341
Interest payable	3,404	3,351
Deferred revenue		1,713
Dividend payable	63,029	52
Other	2,264	1,018
Total	79,639	11,609
Accrued Liabilities [Member]
Foreign currency hedge	$ 9,915	$ 4,134