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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Consolidated Statements Of Operations |  |  |
Sales | $ 23,660 | $ 27,671 | $ 25,411
Cost of sales | 14,462 | 16,338 | 14,680
Gross profit | 9,198 | 11,333 | 10,731
Gain on legal settlement |  |  | 750
Other costs: |  |  |
Research and development | 1,260 | 1,329 | 1,197
Professional services | 1,835 | 1,439 | 1,250
Salaries and related costs | 3,235 | 3,178 | 3,114
Selling, general and administrative | 4,894 | 4,341 | 4,347
Legal awards and settlement | 1,640 |  | 1,591
Total other costs | 12,864 | 10,287 | 11,499
Income (loss) from operations | (3,666) | 1,046 | (18)
Other income (expense): |  |  |
Interest expense, net | (237) | (232) | (237)
Issuance cost | (664) |  |
Fees associated with refinance | (543) |  |
Gain (loss) on change in fair value of derivative liabilities | (842) | 20 | 287
Total other income (expense), net | (2,286) | (212) | 50
Income (loss) before income taxes | (5,952) | 834 | 32
Provision for current income taxes |  |  |
Benefit (provision) for deferred income taxes | 1,613 | (217) | 77
Total benefit (provision) for income taxes - net | 1,613 | (217) | 77
Net income (loss) | $ (4,339) | $ 617 | $ 109
Earnings (loss) per share |  |  |
Basic (in dollars per share) | $ (0.25) | $ 0.04 | $ 0.01
Diluted (in dollars per share) | $ (0.25) | $ 0.03 | $ 0.01
Weighted average number of shares outstanding - basic (in shares) | 17,670 | 17,631 | 17,597
Weighted average number of shares outstanding - dilutive (in shares) | 17,670 | 17,787 | 17,669

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