Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

v3.3.1.900
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Estimated Useful Lives of Property, Plant and Equipment

The cost of property, plant, and equipment is depreciated using the straight-line method over the following estimated useful lives of the respective assets, except for leasehold improvements, which are depreciated over the lesser of the estimated useful lives of the respective assets or the related lease terms.

 

Building

30 years

Leasehold improvements

3 to 5 years

Equipment and computers

3 to 5 years

Furniture and fixtures

5 years

 

Changes in Initial Product Warranty Accrual and Expenses Under Initial and Extended Warranties

Changes in the initial product warranty accrual and the expenses incurred under the Company’s initial and extended warranties for the years ended December 31 are included within accrued liabilities on the Consolidated Balance Sheets and were as follows (in thousands):

 

 

 

Years Ended December 31,

 

 

 

2015

 

 

2014

 

 

2013

 

Initial warranty accrual, beginning balance

 

$

1,449

 

 

$

1,096

 

 

$

1,699

 

Provision for estimated warranty cost

 

 

1,715

 

 

 

1,214

 

 

 

475

 

Warranty expenditures

 

 

(976

)

 

 

(861

)

 

 

(1,078

)

Initial warranty accrual, ending balance

 

 

2,188

 

 

 

1,449

 

 

 

1,096

 

Less warranty accrual, long-term

 

 

843

 

 

 

519

 

 

 

 

Total warranty accrual, current portion

 

$

1,345

 

 

$

930

 

 

$

1,096

 

 

Summary of Income Statement Classification of Compensation Expense

The following table summarizes the income statement classification of compensation expense associated with share-based payments (in thousands):

 

Assumptions on Estimation of Stock Option Fair Values

The stock option fair values were estimated using the Black-Scholes option-pricing model with the following assumptions:

 

 

 

2015

 

 

2014

 

 

2013

 

Expected term (years)

 

 

5.80

 

 

 

3.83

 

 

 

3.65

 

Volatility

 

 

90

%

 

 

94

%

 

 

84

%

Annual dividend per share

 

$

 

 

$

 

 

$

 

Risk-free interest rate

 

 

1.64

%

 

 

1.66

%

 

 

1.04

%