Stockholder's Equity (Tables)

6 Months Ended

Jun. 30, 2019

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule of share-based payment award, stock options, valuation assumptions

The weighted average assumptions utilized to determine the fair value of options granted during the six months ended June 30, 2019 and 2018 were as follows:




	Six Months Ended June 30,
	2019		2018
Risk-free interest rate	1.93	%	2.81	%
Expected volatility	36.95	%	36.60	%
Expected life (in years)	4.27		4.29
Dividend yield	0	%	0	%

Schedule of share-based compensation, activity

The following table presents stock-based compensation expense, including expense for the ESPP, in the Company's consolidated statements of operations for the three and six months ended June 30, 2019 and 2018:



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Cost of product sales	$	61	$	11	$	102	$	82
Research and development	196		149		368		319
Sales, marketing and support	212		166		394		347
General and administrative	564		413		1,043		844
	$	1,033	$	739	$	1,907	$	1,592

Schedule of accumulated other comprehensive income (loss)

The balances for the three months ended June 30, 2019 and 2018 are as follows:



	Foreign Currency Translation			Unrealized Gain (Loss) on Available for Sale Marketable Securities		Interest Rate Swaps			Total Accumulated Other Comprehensive Loss
Balance, March 31, 2019	$	(13,640	)	$	—	$	(3	)	$	(13,643	)
Other comprehensive (loss) income before reclassifications	(1,332		)	—		3			(1,329		)
Reclassified from AOCI	11,483			—		—			11,483
Net other comprehensive income, June 30, 2019	10,151			—		3			10,154
Balance, June 30, 2019	$	(3,489	)	$	—	$	—		$	(3,489	)



	Foreign Currency Translation			Unrealized Gain (Loss) on Available for Sale Marketable Securities		Interest Rate Swaps			Total Accumulated Other Comprehensive Loss
Balance, March 31, 2018	$	(8,803	)	$	—	$	(47	)	$	(8,850	)
Other comprehensive (loss) income before reclassifications	(3,866		)	—		3			(3,863		)
Reclassified from AOCI	—			—		12			12
Net other comprehensive (loss) income, June 30, 2018	(3,866		)	—		15			(3,851		)
Balance, June 30, 2018	$	(12,669	)	$	—	$	(32	)	$	(12,701	)

The balances for the six months ended June 30, 2019 and 2018 are as follows:



	Foreign Currency Translation			Unrealized Gain (Loss) on Available for Sale Marketable Securities		Interest Rate Swaps			Total Accumulated Other Comprehensive Loss
Balance, December 31, 2018	$	(14,720	)	$	—	$	(11	)	$	(14,731	)
Other comprehensive (loss) income before reclassifications	(252		)	—		3			(249		)
Reclassified from AOCI	11,483			—		8			11,491
Net other comprehensive income, June 30, 2019	11,231			—		11			11,242
Balance, June 30, 2019	$	(3,489	)	$	—	$	—		$	(3,489	)



	Foreign Currency Translation			Unrealized (Loss) Gain on Available for Sale Marketable Securities			Interest Rate Swaps			Total Accumulated Other Comprehensive Loss
Balance, December 31, 2017	$	(11,247	)	$	(1	)	$	(69	)	$	(11,317	)
Other comprehensive (loss) income before reclassifications	(1,422		)	1			10			(1,411		)
Reclassified from AOCI	—			—			27			27
Net other comprehensive (loss) income, June 30, 2018	(1,422		)	1			37			(1,384		)
Balance, June 30, 2018	$	(12,669	)	$	—		$	(32	)	$	(12,701	)