Note 15 - Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Text Block [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Unrealized Losses on Auction-Rate Securities			Unrealized Gains on Other Available-for-Sale Securities			Foreign Currency Translation Adjustments		Total
Balance as of January 1, 2012	$	(630	)	$	3		$	4,220	$	3,593
Other comprehensive income before reclassifications		140			20			408		568
Amounts reclassified from accumulated other comprehensive income		-			14			-		14
Net current period other comprehensive income		140			34			408		582
Balance as of December 31, 2012		(490	)		37			4,628		4,175
Other comprehensive income (loss) before reclassifications		130			(29	)		1,988		2,089
Amounts reclassified from accumulated other comprehensive income		-			(4	)		-		(4	)
Net current period other comprehensive income (loss)		130			(33	)		1,988		2,085
Balance as of December 31, 2013	$	(360	)	$	4		$	6,616	$	6,260