Quarterly report pursuant to Section 13 or 15(d)

Statements of Comprehensive Income

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Statements of Comprehensive Income - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Revenue    
Sales revenue $ 32,811 $ 23,049
Rental revenue 10,178 10,703
Total revenue 42,989 33,752
Cost of revenue    
Cost of sales revenue 16,507 12,589
Cost of rental revenue, including depreciation of $2,947 and $2,956, respectively 5,203 5,140
Total cost of revenue 21,710 17,729
Gross profit    
Gross profit-sales revenue 16,304 10,460
Gross profit-rental revenue 4,975 5,563
Total gross profit 21,279 16,023
Operating expense    
Research and development 1,168 863
Sales and marketing 8,965 6,924
General and administrative 7,869 5,718
Total operating expense 18,002 13,505
Income from operations 3,277 2,518
Other income (expense)    
Interest expense (3) (7)
Interest income 29 12
Other income (expense) 97 (105)
Total other income (expense), net 123 (100)
Income before provision for income taxes 3,400 2,418
Provision for income taxes 1,035 846
Net income 2,365 1,572
Other comprehensive loss, net of tax    
Unrealized loss on foreign currency hedging (92)  
Unrealized gain on available-for-sale investments 11  
Total other comprehensive loss, net of tax (81)  
Comprehensive income $ 2,284 $ 1,572
Basic net income per share attributable to common stockholders (Note 5) $ 0.12 $ 0.08
Diluted net income per share attributable to common stockholders (Note 5) $ 0.11 $ 0.08
Weighted-average number of shares used in calculating net income per share attributable to common stockholders:    
Basic common shares 19,827,669 19,167,585
Diluted common shares 20,783,943 20,562,040