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Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Net sales | $ 21,533 | $ 23,375 | $ 20,453
Cost of sales | 16,954 | 19,403 | 16,628
Gross profit | 4,579 | 3,972 | 3,825
Operating expenses: |  |  |
Research and development | 597 | 368 | (515)
Sales and marketing | 4,899 | 4,402 | 4,828
General and administrative | 4,815 | 4,542 | 5,006
Loss on impairment | 933 | 672 |
Valuation of equity instruments |  |  | 56
Change in estimate of contingent liabilities | 12 | (102) | (411)
Restructuring | 80 |  |
Total operating expenses | 11,336 | 9,882 | 8,964
Loss from operations | (6,757) | (5,910) | (5,139)
Other income (expense): |  |  |
Settlement of acquisition obligations | 892 |  | (56)
Interest income |  | 2 | 4
Interest expense | (842) | (511) | (861)
Other (expense) income | (240) | (157) | 21
Loss from continuing operations before income taxes | (6,947) | (6,576) | (5,975)
Benefit from income taxes |  |  | 2
Net loss from continuing operations | (6,947) | (6,576) | (5,973)
Discontinued operations: |  |  |
Income (loss) from discontinued operations | 672 | 867 | (82)
Gain on sale of discontinued operations | 3,915 |  |
Income (loss) from discontinued operations before income taxes | 4,587 | 867 | (82)
Provision for income taxes | (1) |  |
Net income (loss) from discontinued operations | 4,586 | 867 | (82)
Net loss | $ (2,361) | $ (5,709) | $ (6,055)
Basic and Diluted |  |  |
From continung operations (in Dollars per share) | $ (0.15) | $ (0.16) | $ (0.25)
From discontinued operations (in Dollars per share) | $ 0.10 | $ 0.02 |
Total (in Dollars per share) | $ (0.05) | $ (0.14) | $ (0.25)
Weighted average common shares outstanding: |  |  |
Basic and Diluted (in Shares) | 47,792 | 41,322 | 24,669

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