Note 1 - Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

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

	Foreign Currency Translation Adjustments		Unrealized Gain on Investments		Accumulated Other Comprehensive Income
Balance as of December 31, 2011	$	198	$	9,805	$	10,003
Current period other comprehensive income		857		2,426		3,283
Balance as of December 31, 2012	$	1,055	$	12,231	$	13,286

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year	Amount
2013	$	205
2014		205
2015		191
2016		183
2017		170
Thereafter		918
Total	$	1,872