Note 14 Segment and Geographic Information (Tables)

3 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Schedule of Revenue from External Customers by Geographic Area [Table Text Block]

		Three Months Ended June 30,
			2014		2013
		(unaudited)
United States		$	22,504	$	21,558
Europe and the Middle East
	France		1,852		1,303
	Germany		8,449		7,653
	Italy		1,473		973
	Sweden		1,285		1,380
	Switzerland		818		1,037
	United Kingdom		5,379		5,336
	Other		6,969		6,237
Asia Pacific
	China		20,402		14,674
	Japan		1,801		1,705
	Korea		6,439		1,864
	Malaysia		1,632		703
	Singapore		3,157		2,593
	Other		3,158		1,499
Rest of the World
	India		1,249		1,348
	Other		1,513		1,323
Total		$	88,080	$	71,186

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended June 30,
	2014		2013
		(unaudited)
Power semiconductors	$	57,968	$	51,666
Integrated circuits		23,882		13,655
Systems and RF power semiconductors		6,230		5,865
Total	$	88,080	$	71,186