Quarterly report pursuant to Section 13 or 15(d)

Statements of Operations

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Statements of Operations - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Revenue        
Sales revenue $ 29,248 $ 19,425 $ 84,682 $ 54,746
Rental revenue 11,530 9,968 33,877 28,673
Total revenue 40,778 29,393 118,559 83,419
Cost of revenue        
Cost of sales revenue 16,046 10,146 46,501 28,369
Cost of rental revenue, including depreciation of $3,029 and $2,752 for the three months ended and $8,929 and $7,512 for the nine months ended, respectively 5,357 4,598 15,838 13,349
Total cost of revenue 21,403 14,744 62,339 41,718
Gross profit        
Gross profit-sales revenue 13,202 9,279 38,181 26,377
Gross profit-rental revenue 6,173 5,370 18,039 15,324
Total gross profit 19,375 14,649 56,220 41,701
Operating expense        
Research and development 1,116 798 2,954 2,312
Sales and marketing 8,132 5,587 22,623 17,656
General and administrative 6,413 4,697 19,066 12,654
Total operating expense 15,661 11,082 44,643 32,622
Income from operations 3,714 3,567 11,577 9,079
Other income (expense)        
Interest expense (5) (104) (18) (440)
Interest income 28 10 66 28
Change in fair value of preferred stock warrant liability       36
Other income (expense) (59) 1 (215) 12
Total other expense, net (36) (93) (167) (364)
Income before provision for income taxes 3,678 3,474 11,410 8,715
Provision for income taxes 982 1,341 3,683 3,408
Net income $ 2,696 $ 2,133 $ 7,727 $ 5,307
Basic net income per share attributable to common stockholders (Note 2) $ 0.14 $ 0.12 $ 0.40 $ 0.24
Diluted net income per share attributable to common stockholders (Note 2) $ 0.13 $ 0.11 $ 0.37 $ 0.22
Weighted-average number of shares used in calculating net income per share attributable to common stockholders:        
Basic common shares 19,428,653 18,286,208 19,303,057 15,340,877
Diluted common shares 20,783,550 20,213,102 20,690,499 17,293,833