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Description of Business and Summary of Significant Accounting Policies (Tables)
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12 Months Ended |
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Dec. 31, 2014
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| Description of Business and Summary of Significant Accounting Policies |
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| 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):
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Years Ended December 31,
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2012
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2013
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2014
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Revenue-United States
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$
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69,957
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$
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84,474
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$
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98,276
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Revenue-Canada
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12,453
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15,014
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15,320
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Revenue-all other international sources
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27,102
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29,023
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35,204
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Total revenue
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$
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109,512
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$
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128,511
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$
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148,800
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International revenue (excluding Canada) as a percent of total revenue
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25
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%
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23
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%
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24
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%
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| Schedule of changes in the product warranty liability |
The following table presents the changes in the product warranty liability (in thousands):
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Years Ended December 31,
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2012
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2013
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2014
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Balance at the beginning of the period
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$
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1,030
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$
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1,155
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$
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1,213
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Warranty costs accrued
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1,050
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1,025
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1,145
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Warranty claims
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(925
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)
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(967
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)
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(1,167
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)
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Balance at the end of the period
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$
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1,155
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$
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1,213
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$
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1,191
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| Schedule of reconciliation of the numerator and denominator used in the calculation of basic and diluted net income (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):
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Years Ended December 31,
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2012
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2013
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2014
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Numerator:
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Net income (loss)
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$
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(3,723
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)
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$
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3,503
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$
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8,156
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Denominator:
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Weighted average common stock outstanding for basic net income (loss) per common share
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2,360
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10,609
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23,685
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Effect of dilutive securities—stock options, convertible preferred stock, and warrants to purchase common stock and preferred stock
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—
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11,654
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1,961
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Weighted average common shares and dilutive securities outstanding
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2,360
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22,263
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25,646
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| Schedule of anti-dilutive weighted-average common stock equivalents excluded from the calculation of diluted net income (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):
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Years Ended December 31,
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2012
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2013
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2014
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Convertible preferred stock
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15,294
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—
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—
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Options to purchase common stock
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4,317
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356
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1,041
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Warrants to purchase common stock
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541
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1
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—
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Warrants to purchase preferred stock
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194
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—
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—
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Total
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20,346
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357
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1,041
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| Schedule of changes in the allowance for doubtful accounts |
The following table presents the changes in the allowance for doubtful accounts (in thousands):
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Years Ended December 31,
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2012
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2013
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2014
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Balance at beginning of period
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$
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651
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$
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643
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$
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605
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Provision
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184
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159
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229
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Deductions
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(192
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)
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(197
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)
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(129
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)
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Balance at end of period
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$
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643
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$
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605
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$
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705
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| Schedule of estimated useful lives of property and equipment |
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Furniture and fixtures
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2 - 5 years
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Manufacturing tooling and test equipment
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2 - 3 years
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Lab and warehouse equipment
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2 - 4 years
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Computer equipment and software
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3 - 4 years
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Marketing equipment
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2 - 3 years
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