Note 9 - Long-Term Investments (Tables)

12 Months Ended

Dec. 31, 2012

Schedule Of Long-Term Investments [Table Text Block]

	December 31
	2012		2011
Cost method
Sigurd Cayman	$	7,200	$	7,200
X-FAB Silicon Foundries SE (“X-FAB”)		4,968		4,968
Philip Ventures Enterprise Fund (“PVEF”)		497		942
GEM		78		78
Excelliance MOS Co., Ltd (“EMC”)		1,844		1,960
Asia Sinomos Semiconductor Inc. (“Sinomos”)		-		-
Silicon Genesis Corporation (“SiGen”)		-		-
		14,587		15,148
Available-for-sale securities – noncurrent
Etrend		943		791
China Resources Microelectronic Limited (“CR Micro”)		-		-
		943		791
	$	15,530	$	15,939

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	December 31, 2012
			Gross		Gross
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Etrend	$	920	$	23	$	-	$	943

	December 31, 2011
			Gross		Gross
			Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
Etrend	$	920	$	-	$	(129	)	$	791