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v3.8.0.1

Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Statement [Abstract] |  |  |
Revenues | $ 22,974 | $ 28,235 | $ 39,507
Cost of revenues | 5,082 | 7,564 | 8,152
Gross profit | 17,892 | 20,671 | 31,355
Operating expenses: |  |  |
Selling and marketing | 6,186 | 9,615 | 8,902
Research and development | 8,952 | 15,906 | 13,863
General and administrative | 8,551 | 10,341 | 11,128
Restructuring expenses | (123) | 303 |
Long-lived asset impairment |  | 411 |
Total operating expenses | 23,566 | 36,576 | 33,893
Operating loss | (5,674) | (15,905) | (2,538)
Non-operating income (expense): |  |  |
Change in carrying value of contingent liability |  | 668 |
Loss on debt extinguishment | (405) |  |
Interest income (expense), net | (1,120) | (313) | 1
Other income (expense), net | (8) | (22) | 3
Loss before provision for income taxes | (7,207) | (15,572) | (2,534)
Provision for income tax expense (benefit) | (546) | (229) | 68
Net loss | (6,661) | (15,343) | (2,602)
Other comprehensive income (loss), before tax: |  |  |
Unrealized holding gains (losses) on available-for-sale securities |  | 2 | (1)
Other comprehensive income (expense), net of tax |  | 2 | (1)
Comprehensive loss | $ (6,661) | $ (15,341) | $ (2,603)
Net loss per share: |  |  |
Basic and diluted | $ (0.49) | $ (1.28) | $ (0.26)
Weighted average shares outstanding: |  |  |
Basic and diluted | 13,489 | 11,951 | 10,162

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