Description of Business and Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2015
Description of Business and Summary of Significant Accounting Policies  
Schedule of revenue from United States, Canada and all other international dealers and distributors combined

The following table sets forth revenue from the U.S., Canadian and all other international dealers and distributors combined (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended

 

Six Months Ended

 

 

 

 

June 30,

 

June 30,

 

 

 

    

2014

    

2015

    

2014

    

2015

 

 

Revenue-United States

 

$

24,762

 

$

30,055

 

$

45,804

 

$

51,272

 

 

Revenue-Canada

 

 

3,415

 

 

4,122

 

 

6,645

 

 

7,208

 

 

Revenue-all other international sources

 

 

8,485

 

 

10,465

 

 

16,066

 

 

18,245

 

 

Total revenue

 

$

36,661

 

$

44,641

 

$

68,516

 

$

76,724

 

 

International revenue (excluding Canada) as a percent of total revenue

 

 

23

%  

 

23

%  

 

23

%  

 

24

%  

 

 

Schedule of changes in the product warranty liability

The following table presents the changes in the product warranty liability (in thousands):

 

 

 

 

 

 

 

 

    

Warranty Liability

 

Balance at December 31, 2014

 

$

1,191

 

Warranty costs accrued

 

 

1,116

 

Warranty claims

 

 

(963)

 

Balance at June 30, 2015

 

$

1,344

 

 

 

Schedule of reconciliation of the numerator and denominator used in the calculation of basic and diluted net loss per share

The following table presents the reconciliation of the numerator and denominator used in the calculation of basic and diluted net income (loss) per share (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended

 

Six Months Ended

 

 

 

June 30,

 

June 30,

 

 

    

2014

    

2015

    

2014

    

2015

 

Numerator:

 

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss)

 

$

2,011

 

$

2,041

 

$

1,472

 

$

(2,190)

 

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average common stock outstanding for basic net income (loss) per common share

 

 

23,715

 

 

24,309

 

 

23,417

 

 

24,326

 

Effect of dilutive securities—stock options

 

 

1,956

 

 

987

 

 

2,292

 

 

 —

 

Weighted average common shares and dilutive securities outstanding

 

 

25,671

 

 

25,296

 

 

25,709

 

 

24,326

 

 

Schedule of anti-dilutive weighted-average common stock equivalents excluded from the calculation of diluted net loss per share

The following weighted-average common stock equivalents were anti-dilutive and therefore were excluded from the calculation of diluted net income (loss) per share (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended

 

Six Months Ended

 

 

 

June 30,

 

June 30,

 

 

    

2014

 

2015

    

2014

 

2015

 

Options to purchase common stock

 

1,115

 

2,417

 

746

 

4,817