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v3.10.0.1

Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Sales: |  |  |  |
Product | $ 16,367 | $ 14,169 | $ 46,521 | $ 43,355
Service | 27,150 | 26,281 | 80,489 | 77,755
Net sales | 43,517 | 40,450 | 127,010 | 121,110
Costs and expenses: |  |  |  |
Costs of product sales | 9,767 | 9,578 | 28,784 | 29,412
Costs of service sales | 15,376 | 13,374 | 44,690 | 39,736
Research and development | 3,789 | 3,990 | 11,288 | 11,698
Sales, marketing and support | 8,421 | 8,234 | 25,856 | 25,098
General and administrative | 7,084 | 7,075 | 21,679 | 22,805
Total costs and expenses | 44,437 | 42,251 | 132,297 | 128,749
Loss from operations | (920) | (1,801) | (5,287) | (7,639)
Interest income | 161 | 166 | 464 | 491
Interest expense | 453 | 379 | 1,290 | 1,081
Other income (expense), net | 199 | (141) | 371 | (321)
Loss before income tax expense | (1,013) | (2,155) | (5,742) | (8,550)
Income tax expense | 161 | 283 | 668 | 799
Net loss | $ (1,174) | $ (2,438) | $ (6,410) | $ (9,349)
Net loss per common share |  |  |  |
Earnings Per Share, Basic and Diluted | $ (0.07) | $ (0.15) | $ (0.38) | $ (0.57)
Weighted average number of common shares outstanding: |  |  |  |
Weighted Average Number of Shares Outstanding, Basic and Diluted |  | 16,469 | 17,025 | 16,393
Diluted | 17,188 | 16,469 | 17,025 | 16,393

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