| (Values in U.S. Thousands) | Dec, 2020 | Dec, 2019 | Dec, 2018 | Dec, 2017 | Dec, 2016 |
| Sales | 9,600 | 6,570 | 8,060 | 7,060 | 7,050 |
| Sales Growth | +46.12% | -18.49% | +14.16% | +0.14% | +11.37% |
| Net Income | 1,950 | 320 | 1,940 | 580 | -350 |
| Net Income Growth | +509.38% | -83.51% | +234.48% | +265.71% | +87.63% |
Mechanical Technolgy (MKTY)
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Mechanical Technology Inc. incubates alternative energy technology. Its investments in alternative energy companies have included Plug Power, Inc. and SatCon Technology Corp. Plug Power is a U.S. designer and developer of on-site, electricity generation systems utilizing proton exchange membrane fuel cells for residential applications. SatCon Technology Corporation manufactures and sells power and energy management products for telecommunications, silicon wafer manufacturing, factory automation, aircraft, satellites and automotive applications. (PRESS RELEASE)