| (Values in U.S. Thousands) | Sep, 2020 | Jun, 2020 | Mar, 2020 | Dec, 2019 | Sep, 2019 |
| Sales | 12,030 | 10,270 | 11,960 | 10,570 | 10,870 |
| Sales Growth | +17.14% | -14.13% | +13.15% | -2.76% | +33.21% |
| Net Income | -340 | -1,530 | -750 | -1,150 | -200 |
| Net Income Growth | +77.78% | -104.00% | +34.78% | -475.00% | +75.31% |
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.