Description of Business and Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2016
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

 

 

 

 

March 31,

 

 

 

    

2016

    

2015

    

 

Revenue-United States

 

$
31,375

 

$
21,217

 

 

Revenue-Canada

 

 
2,945

 

 
3,086

 

 

Revenue-all other international sources

 

 
8,715

 

 
7,780

 

 

Total revenue

 

$
43,035

 

$
32,083

 

 

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

 

 
20

%  

 
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, 2015

 

$
1,415

 

Warranty costs accrued

 

 
552

 

Warranty claims

 

 
(234)

 

Balance at March 31, 2016

 

$
1,733

 

 

 

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

 

 

 

March 31,

 

 

    

2016

    

2015

 

Numerator:

 

 

 

 

 

 

 

Net income (loss)

 

$
6,639

 

$
(4,231)

 

Denominator:

 

 

 

 

 

 

 

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

 

 
23,335

 

 
24,344

 

Effect of dilutive securities—stock options and restricted stock units

 

 
651

 

 

 —

 

Weighted average common shares and dilutive securities outstanding

 

 
23,986

 

 
24,344

 

 

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

 

 

 

March 31,

 

 

    

2016

 

2015

    

Options to purchase common stock

 
2,695

 
4,815

 

Restricted stock units

 
68

 

 -

 

Total

 
2,763

 
4,815