| (Values in U.S. Thousands) | Dec, 2019 | Dec, 2018 | Dec, 2017 | Dec, 2016 | Dec, 2015 |
| Sales | 37,610 | 32,320 | 29,420 | 17,830 | 10,790 |
| Sales Growth | +16.37% | +9.86% | +65.00% | +65.25% | -9.33% |
| Net Income | -3,280 | -70 | -1,370 | -2,930 | -830 |
| Net Income Growth | -4,585.71% | +94.89% | +53.24% | -253.01% | -791.67% |
Zoom Telephonics Inc (ZMTP)
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Zoom Telephonics, Inc. is engaged in the design, production, marketing and sale of Internet-related communication products in North America and the United Kingdom. Its customer base comprises retailers, distributors, Internet Service Providers and Original Equipment Manufacturers. Products offered by the Company includes dial-up modems, fixed and mobile broadband products, WiFi compatible and Bluetooth wireless products, and other communication-related products. Zoom Telephonics, Inc. is headquartered in Boston, Massachusetts.