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v3.10.0.1

Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Sales: |  |  |  |
Product | $ 16,162 | $ 14,323 | $ 30,154 | $ 29,186
Service | 27,230 | 26,126 | 53,339 | 51,474
Net sales | 43,392 | 40,449 | 83,493 | 80,660
Costs and expenses: |  |  |  |
Costs of product sales | 10,094 | 9,295 | 19,017 | 19,834
Costs of service sales | 15,498 | 13,094 | 29,314 | 26,362
Research and development | 3,565 | 3,761 | 7,499 | 7,708
Sales, marketing and support | 8,494 | 8,124 | 17,435 | 16,864
General and administrative | 6,928 | 7,543 | 14,595 | 15,730
Total costs and expenses | 44,579 | 41,817 | 87,860 | 86,498
Loss from operations | (1,187) | (1,368) | (4,367) | (5,838)
Interest income | 155 | 159 | 303 | 325
Interest expense | 428 | 349 | 837 | 702
Other income (expense), net | 446 | (112) | 172 | (180)
Loss before income tax expense | (1,014) | (1,670) | (4,729) | (6,395)
Income tax expense | 329 | 356 | 507 | 516
Net loss | $ (1,343) | $ (2,026) | $ (5,236) | $ (6,911)
Net loss per common share |  |  |  |
Earnings Per Share, Basic and Diluted | $ (0.08) | $ (0.12) | $ (0.31) | $ (0.42)
Weighted average number of common shares outstanding: |  |  |  |
Weighted Average Number of Shares Outstanding, Basic | 17,140 | 16,446 | 16,942 | 16,354
Weighted Average Number of Shares Outstanding, Basic and Diluted |  | 16,446 | 16,942 | 16,354
Diluted | 17,140 | 16,446 | 16,942 | 16,354

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