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Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Statement [Abstract] |  |  |
Net sales | $ 19,846 | $ 30,998 | $ 64,403
Cost of sales | 15,025 | 23,321 | 35,111
Gross profit | 4,821 | 7,677 | 29,292
Operating expenses: |  |  |
Product development | 2,940 | 3,537 | 2,810
Selling, general, and administrative | 11,315 | 20,113 | 16,830
Loss on impairment | 185 | 857 | 0
Restructuring | 1,662 | 0 | 0
Total operating expenses | 16,102 | 24,507 | 19,640
(Loss) income from operations | (11,281) | (16,830) | 9,652
Other expense (income): |  |  |
Interest expense | 2 | 0 | 85
Other expenses (income) | 99 | 18 | (53)
(Loss) income from continuing operations before income taxes | (11,382) | (16,848) | 9,620
(Benefit from) provision for income taxes | (115) | 27 | 149
Net (loss) income from continuing operations | (11,267) | (16,875) | 9,471
Discontinued operations: |  |  |
Loss from discontinued operations | 0 | 0 | (167)
Loss on sale of discontinued operations | 0 | (12) | (534)
(Loss) income from discontinued operations before income taxes | 0 | (12) | (701)
Benefit from income taxes | 0 | 0 | (10)
(Loss) from discontinued operations | 0 | (12) | (691)
Net (loss) income | $ (11,267) | $ (16,887) | $ 8,780
Net (loss) income per share - basic: |  |  |
Net income (loss) from continuing operations (in dollars per share) | $ (0.95) | $ (1.45) | $ 0.91
Net (loss) income from discontinued operations (in dollars per share) | 0.00 | 0.00 | (0.07)
Net income (loss) (in dollars per share) | (0.95) | (1.45) | 0.84
Net (loss) income per share - diluted: |  |  |
Net income (loss) from continuing operations (in dollars per share) | (0.95) | (1.45) | 0.88
Net (loss) income from discontinued operations (in dollars per share) | 0.00 | 0.00 | (0.06)
Net income (loss) (in dollars per share) | $ (0.95) | $ (1.45) | $ 0.82
Weighted average common shares outstanding: |  |  |
Basic (in shares) | 11,806 | 11,673 | 10,413
Diluted (in shares) | 11,806 | 11,673 | 10,752

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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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