Note 14 - Income Tax (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Years Ended December 31
	2012			2011		2010
Cayman Islands	$	(31,218	)	$	5,188	$	18,235
Foreign		5,633			4,872		5,135
	$	(25,585	)	$	10,060	$	23,370

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Years Ended December 31
	2012		2011			2010
Current	$	1,002	$	1,155		$	1,330
Deferred		101		(92	)		(5	)
Income tax expense	$	1,103	$	1,063		$	1,325

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Years Ended December 31
	2012			2011			2010
Tax expense at statutory rate	$	-		$	-		$	-
Increase (decrease) in tax resulting from:
Differences between Cayman and foreign tax rates		1,048			1,083			1,174
Changes in deferred income tax assets		156			(532	)		(226	)
Adjustments to prior years’ taxes		(2	)		(221	)		(193	)
Changes in valuation allowances for deferred income tax assets		(55	)		440			221
Other		(44	)		293			349
	$	1,103		$	1,063		$	1,325

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31
	2012			2011
Deferred income tax assets
Research and development credits	$	5,216		$	5,148
Net operating loss carryforwards		30			36
Depreciation and amortization		351			430
Accrued vacation and other expenses		108			238
		5,705			5,852
Valuation allowance		(5,554	)		(5,609	)
Total net deferred income tax assets	$	151		$	243
Deferred income tax liabilities
Unrealized capital allowance	$	20		$	11

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]

	Years Ended December 31
	2012			2011
Balance, beginning of the year	$	66		$	310
Increase in tax position balance during current year		-			1
Decrease related to settlements		-			(8	)
Reduction related to lapses		(66	)		(237	)
Balance, end of the year	$	-		$	66