Bank Credit Agreements and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Long-term debt by current and noncurrent [Abstract]

Schedule Of Debt [Table Text Block]

	2012			Outstanding at December 31,
	Lines of Credit	Terms		2012		2011
$	81,581	Unsecured, interest at LIBOR plus margin, due quarterly	$	5,629	$	-
	10,000	Secured, interest at LIBOR plus margin, due monthly (Revolver)		2,000		8,000
	10,000	Secured, uncommitted, interest at LIBOR plus margin, due monthly (Uncommitted Facility)		-		-
$	101,581		$	7,629	$	8,000

Long-term debt – The balances as of December 31, consist of the following:

		2012		2011
Notes payable to Taiwan bank, principal amount of TWD 158 million, variable interest (approximately 3.3% and 2.0% as of December 31, 2012 and 2011, respectively), of which TWD 132 million matures on July 6, 2021, and TWD 26 million matures July 6, 2013, secured by land and building.		2,979		3,265
Notes payable to Taiwan banks, variable interest between 1.8% and 2.5% as of December 31, 2012, maturity dates range from 2013 to 2023, secured by land, building and equipment.		2,215		-
Term Loan		40,000		-
Total long-term debt		45,194		3,265
Less: Current portion		(1,063)		(408)
Long-term debt, net of current portion	$	44,131	$	2,857

Schedule Of Maturities Of Long Term Debt [Table Text Block]

The annual contractual maturities of long-term debt at December 31, 2012 are as follows

2013	1,063
2014	947
2015	954
2016	40,374
2017	363
Thereafter	1,493
Total long-term debt	$ 45,194

Schedule of Convertible Senior Notes Interest Expense [Table Text Block]

		2011		2010
Notes contractual interest expense	$	2,267	$	3,077
Amortization of debt discount		6,032		7,656
Amortization of debt issuance costs		412		549
Total	$	8,711	$	11,282