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Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2017
Share-based Compensation [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 three months ended March 31, 2017 were as follows:

 
 
 
 
 
Three Months Ended
March 31,
 
2017
 
2016
Risk-free interest rate
1.96
%
 
1.43
%
Expected volatility
35.53
%
 
38.22
%
Expected life (in years)
4.22

 
4.17

Dividend yield
0
%
 
0
%
Schedule of Share-based Compensation, Activity
The following presents stock-based compensation expense including ESPP in the Company's consolidated statements of operations for the three months ended March 31, 2017 and 2016:
 
Three Months Ended
March 31,
 
2017
 
2016
Cost of product sales
$
82

 
$
90

Cost of service sales
—

 
1

Research and development
189

 
186

Sales, marketing and support
268

 
273

General and administrative
421

 
503

 
$
960

 
$
1,053
Schedule of Accumulated Other Comprehensive Income (Loss)

 
Foreign Currency Translation
 
Unrealized Gain (Loss) on Available for Sale Marketable Securities
 
Interest Rate Swaps
 
Total Accumulated Other Comprehensive Loss
Balance, December 31, 2016
(16,651
)
 
—

 
(158
)
 
(16,809
)
Other comprehensive (loss) income before reclassifications
601

 
—

 
5

 
606

Amounts reclassified from AOCI to Other income (expense), net (1)
—

 
—

 
22

 
22

Net other comprehensive (loss) income, March 31, 2017
601

 
—

 
27

 
628

Balance, March 31, 2017
(16,050
)
 
—

 
(131
)
 
(16,181
)
 
 
Foreign Currency Translation
 
Unrealized Gain (Loss) on Available for Sale Marketable Securities
 
Interest Rate Swaps
 
Total Accumulated Other Comprehensive Loss
Balance, December 31, 2015
$
(7,363
)
 
$
1

 
$
(238
)
 
$
(7,600
)
Other comprehensive (loss) income before reclassifications
(676
)
 
—

 
(45
)
 
(721
)
Amounts reclassified from AOCI to Other income (expense), net (1)
—

 
—

 
25

 
25

Net other comprehensive (loss) income, March 31, 2016
(676
)
 
—

 
(20
)
 
(696
)
Balance, March 31, 2016
(8,039
)
 
1

 
(258
)
 
(8,296
)
(1) For additional information, see Note 4, "Marketable Securities," and see Note 17, "Derivative Instruments and Hedging Activities."