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Consolidated Statements of Operations - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Statement [Abstract] |  |  |
Revenues | $ 32,650 | $ 28,932 | $ 27,427
Cost of revenues | 25,907 | 22,587 | 22,112
Gross profit | 6,743 | 6,345 | 5,315
Operating costs and expenses: |  |  |
Sales and marketing | 3,705 | 3,389 | 3,111
General and administrative | 1,834 | 1,870 | 1,498
Total operating costs and expenses | 5,539 | 5,259 | 4,609
Operating income | 1,204 | 1,086 | 706
Financial expenses, net | (255) | (297) | (339)
Income before taxes on income | 949 | 789 | 367
Taxes on income (tax benefit) | (41) | 16 | 7
Net income | $ 990 | $ 773 | $ 360
Basic and diluted net Income per share | $ 0.28 | $ 0.24 | $ 0.14
Shares (in thousands) used in calculation of earnings per share: |  |  |
Basic | 3,500 | 3,171 | 2,587
Diluted | 3,500 | 3,171 | 2,593

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