Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

The Company had the following outstanding forward contracts (in thousands):

	December 31, 2018			December 31, 2017
Currency	Notional Value	USD Equivalent		Notional Value	USD Equivalent
Derivatives Not Designated as Hedging Instruments:
Euro	23,000	$	26,330	—	$	—
Japanese Yen	380,000	3,459		455,000	4,049
British Pound	2,500	3,204		1,650	2,232
Korean Won	3,125,000	2,808		1,825,000	1,708
Hungarian Forint	750,000	2,685		545,000	2,110
Taiwanese Dollar	55,000	1,807		37,725	1,278
Canadian Dollar	990	726		—	—
Singapore Dollar	700	514		—	—
Swiss Franc	—	—		1,365	1,401

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

Information regarding the fair value of the outstanding forward contracts was as follows (in thousands):

	Asset Derivatives					Liability Derivatives
	Balance Sheet Location	Fair Value				Balance Sheet Location	Fair Value
		December 31, 2018		December 31, 2017			December 31, 2018		December 31, 2017
Derivatives Not Designated as Hedging Instruments:
Economic hedge forward contracts	Prepaid expenses and other current assets	$	1	$	16	Accrued expenses	$	106	$	13

Offsetting Assets

The following table summarizes the gross activity for all derivative assets and liabilities which were presented on a net basis on the Consolidated Balance Sheets due to the right of offset with each counterparty (in thousands):

Asset Derivatives					Liability Derivatives
	December 31, 2018		December 31, 2017			December 31, 2018		December 31, 2017
Gross amounts of recognized assets	$	1	$	16	Gross amounts of recognized liabilities	$	106	$	13
Gross amounts offset	—		—		Gross amounts offset	—		—
Net amount of assets presented	$	1	$	16	Net amount of liabilities presented	$	106	$	13

Derivative Instruments, Gain (Loss)

Information regarding the effect of derivative instruments, net of the underlying exposure, on the consolidated financial statements was as follows (in thousands):

	Location in Financial Statements	Year Ended December 31,
		2018			2017		2016
Derivatives Designated as Hedging Instruments:
Gains (losses) recorded in shareholders' equity (effective portion)	Accumulated other comprehensive income (loss), net of tax	$	—		$	—	$	37
Gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations (effective portion)	Revenue	$	—		$	30	$	(438	)
	Research, development, and engineering expenses	—			3		13
	Selling, general, and administrative expenses	—			8		27
	Total gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations	$	—		$	41	$	(398	)
Derivatives Not Designated as Hedging Instruments:
Gains (losses) recognized in current operations	Foreign currency gain (loss)	$	(285	)	$	270	$	(515	)

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss)

The following table summarizes the changes in accumulated other comprehensive income (loss), net of tax, related to derivative instruments (in thousands):

Balance as of December 31, 2016	$	37
Net unrealized gain (loss) on cash flow hedges	4
Reclassification of net realized (gain) loss on cash flow hedges into current operations	(41		)
Balance as of December 31, 2017	—
Balance as of December 31, 2018	$	—