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Statements Of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Statements Of Comprehensive Income [Abstract] |  |
Net Sales | $ 7,087 | $ 7,636
Cost of Goods Sold | 3,203 | 3,410
Gross Profit | 3,884 | 4,226
Operating Expenses |  |
Selling and marketing | 1,576 | 1,558
General and administrative | 1,371 | 1,625
Research and development | 767 | 753
Total Operating Expenses | 3,714 | 3,936
Operating Income | 170 | 290
Non-operating Income (Expense) |  |
Interest expense | (1) | (11)
Gain on sale of available-for-sale securities | 0 | 1,449
Interest income | 20 | 0
Other income | 15 | 16
Total Non-operating Income, Net | 34 | 1,454
Income before Income Taxes | 204 | 1,744
Income taxes | 2 | 530
Net Income | 202 | 1,214
Other Comprehensive Income (Loss) |  |
Change in unrealized value of available-for-sale securities, net of income tax | 4 | 131
Reclassification of gains included in net income, net of income tax | 0 | (898)
Other Comprehensive Income (Loss) | 4 | (767)
Net Comprehensive Income | $ 206 | $ 447
Basic |  |
Net income per share | $ 0.06 | $ 0.36
Weighted average shares | 3,395,521 | 3,395,521
Diluted |  |
Net income per share | $ 0.06 | $ 0.36
Weighted average shares | 3,395,945 | 3,395,521

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