Note 18 - Income Taxes (Details) - Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits [Abstract]
Balance at beginning of year	$ 7,281	$ 5,875	$ 5,431
Additions based on tax positions taken in prior years	200	1,381	1,207
Additions based on tax positions taken in the current year	1,146	25	612
Reduction based on tax positions taken in prior years	(3,677)		(1,375)
Balance at end of year	$ 4,950	$ 7,281	$ 5,875