Hedging (Tables)

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

A summary of the aggregate contractual or notional amounts, balance sheet location and estimated fair values of derivative financial instruments designated as cash flow hedges at December 31, 2015 is as follows (in thousands):

	Contractual/ Notional Amount		Condensed Consolidated Balance Sheet Classification	Estimated Fair Value
Type of Cash Flow Hedge				Asset		(Liability)
Foreign currency forward exchange contracts	$	14,024	Other accrued liabilities	$	—	$	(277	)

 A summary of the aggregate contractual or notional amounts, balance sheet location and estimated fair values of derivative financial instruments designated as cash flow hedges at March 31, 2016 is as follows (in thousands):

	Contractual/ Notional Amount		Condensed Consolidated Balance Sheet Classification	Estimated Fair Value
Type of Cash Flow Hedge				Asset		(Liability)
Foreign currency forward exchange contracts	$	13,872	Other accrued liabilities	$	—	$	(4	)

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

A summary of the aggregate contractual or notional amounts, balance sheet location and estimated fair values of derivative financial instruments designated as cash flow hedges at March 31, 2016 is as follows (in thousands):

	Contractual/ Notional Amount		Condensed Consolidated Balance Sheet Classification	Estimated Fair Value
Type of Cash Flow Hedge				Asset		(Liability)
Foreign currency forward exchange contracts	$	13,872	Other accrued liabilities	$	—	$	(4	)

A summary of the aggregate contractual or notional amounts, balance sheet location and estimated fair values of derivative financial instruments designated as cash flow hedges at December 31, 2015 is as follows (in thousands):

	Contractual/ Notional Amount		Condensed Consolidated Balance Sheet Classification	Estimated Fair Value
Type of Cash Flow Hedge				Asset		(Liability)
Foreign currency forward exchange contracts	$	14,024	Other accrued liabilities	$	—	$	(277	)

There were no ineffective hedges for the three months ended March 31, 2016 and 2015. The following table summarizes the effect of derivative instruments on the consolidated financial statements as a loss (gain) as follows (in thousands):

	Three Months Ended
	March 31,
	2016		2015
Cost of sales	$	108	$	(4	)
Research and development	173		(6		)
Selling, general and administrative	67		1
Total	$	348	$	(9	)

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

The following is a summary of changes to comprehensive income (loss) associated with the Company's hedging activities (in thousands):

	Three Months Ended
	March 31,
	2016			2015
Beginning balance of unrealized loss on forward exchange contracts	$	(819	)	$	(752	)
Other comprehensive loss before reclassifications	(214		)	127
Amounts reclassified from other comprehensive income	348			(9		)
Other comprehensive income (loss)	134			118
Ending balance of unrealized loss on forward exchange contracts	$	(685	)	$	(634	)