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CONSOLIDATED STATEMENTS OF OPERATIONS (in thousands, except per share amounts) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Income Statement [Abstract] |  |
Net Sales | $ 18,717 | $ 17,085
Cost of goods sold | 9,207 | 8,447
Gross margin | 9,510 | 8,638
Operating expenses: |  |
Research and development | 4,586 | 5,564
Selling, general and administrative | 6,378 | 7,450
Impairment charge | 31 | 2,358
Provision for business restructuring | 1,183 | 207
Total operating expenses | 12,178 | 15,579
Operating income(loss) | (2,668) | (6,941)
Non-operating income (expense): |  |
Interest income | 160 | 291
Foreign currency transaction gain (loss) | (76) | (106)
Total non-operating income (expense) | 84 | 185
Income (loss) before income taxes | (2,584) | (6,756)
Income tax (expense) benefit | 8 | 327
Net income (loss) | $ (2,576) | $ (6,429)
Basic earnings (loss) per share | $ (0.33) | $ (0.80)
Diluted earnings (loss) per share | $ (0.33) | $ (0.80)
Weighted-average basic shares | 7,767 | 7,995
Weighted-average diluted shares | 7,767 | 7,995

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