Hedging (Tables)

3 Months Ended

Mar. 31, 2017

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, 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	$	16,166	Other current assets	$	94	$	—

 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, 2017 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	$	16,963	Other current assets	$	846	$	—

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, 2017 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	$	16,963	Other current assets	$	846	$	—

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, 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	$	16,166	Other current assets	$	94	$	—

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,
	2017		2016
Cost of sales	$	10	$	108
Research and development	14		173
Selling, general and administrative	5		67
Total	$	29	$	348

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,
	2017			2016
Beginning balance of unrealized loss on forward exchange contracts	$	(527	)	$	(819	)
Other comprehensive income (loss) before reclassifications	473			(214		)
Amounts reclassified from other comprehensive income (loss)	29			348
Other comprehensive income (loss)	502			134
Ending balance of unrealized loss on forward exchange contracts	$	(25	)	$	(685	)