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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenue: |  |  |
Products | $ 36,053 | $ 30,431 | $ 31,339
Services | 70,474 | 65,363 | 54,268
Total revenues | 106,527 | 95,794 | 85,607
Cost of revenue: |  |  |
Products | 28,096 | 23,788 | 24,466
Services | 57,987 | 52,969 | 47,476
Total cost of revenues | 86,083 | 76,757 | 71,942
Gross profit | 20,444 | 19,037 | 13,665
Operating expenses: |  |  |
Research and development, net | 731 | 1,140 | 890
Selling and marketing | 4,974 | 3,876 | 2,903
General and administrative | 9,409 | 10,023 | 8,469
Other expenses (income) | 53 | (138) | 631
Gain on bargain purchase |  |  | (4,833)
Total operating expenses | 15,167 | 14,901 | 8,060
Operating income | 5,277 | 4,136 | 5,605
Financial expenses | (1,132) | (1,139) | (1,262)
Financial income | 794 | 985 | 913
Income before taxes on income | 4,939 | 3,982 | 5,256
Taxes on income | 2,333 | 3,865 | 644
Income before equity investment | 2,606 | 117 | 4,612
Share in results of equity investment of affiliated companies | (210) | (55) | 1,237
Net income | $ 2,396 | $ 62 | $ 5,849
Net income per share basic and diluted | $ 0.27 | $ 0.01 | $ 0.66
Weighted average number of shares outstanding: |  |  |
Basic | 8,848,028 | 8,828,444 | 8,808,344
Diluted | 8,909,072 | 8,830,764 | 8,810,689

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