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v3.5.0.2

Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Income Statement [Abstract] |  |  |  |
Revenues | $ 6,478 | $ 9,586 | $ 21,151 | $ 29,501
Cost of revenues | 1,798 | 1,959 | 5,824 | 6,148
Gross profit | 4,680 | 7,627 | 15,327 | 23,353
Operating expenses: |  |  |  |
Selling and marketing | 2,541 | 2,220 | 7,389 | 6,639
Research and development | 4,174 | 3,480 | 12,204 | 10,268
General and administrative | 2,522 | 2,695 | 7,878 | 8,437
Total operating expenses | 9,237 | 8,395 | 27,471 | 25,344
Operating loss | (4,557) | (768) | (12,144) | (1,991)
Other expense: |  |  |  |
Change in fair value of warrant liability | 335 |  | 335 |
Change in fair value of contingent liability | 11 |  | 668 |
Interest expense | (83) |  | (81) |
Other income (expense), net | (9) | 4 | (30) | 3
Loss before provision for income taxes | (4,303) | (764) | (11,252) | (1,988)
Provision for income tax expense | 11 | 6 | 48 | 23
Net loss | (4,314) | (770) | (11,300) | (2,011)
Other comprehensive income, before tax: |  |  |  |
Unrealized holding gains on available-for-sale securities |  |  | 2 | 1
Other comprehensive income, net of tax |  |  | 2 | 1
Comprehensive loss | $ (4,314) | $ (770) | $ (11,298) | $ (2,010)
Net loss per share: |  |  |  |
Basic and diluted | $ (0.35) | $ (0.07) | $ (0.96) | $ (0.17)
Weighted average shares outstanding: |  |  |  |
Basic and diluted | 12,209 | 11,540 | 11,826 | 11,494

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