| (Values in U.S. Thousands) | Jun, 2021 | Mar, 2021 | Dec, 2020 | Sep, 2020 | Jun, 2020 |
| Sales | 0 | 0 | 0 | 0 | 0 |
| Sales Growth | unch | unch | unch | unch | -100.00% |
| Net Income | -570 | -570 | -530 | -610 | -740 |
| Net Income Growth | unch | -7.55% | +13.11% | +17.57% | +31.48% |
Superconductor Tech (SCON)
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Superconductor Technologies Inc. manufactures and markets high-performance filters to service providers and original equipment manufacturers in the mobile wireless telecommunications industry. The company's product, the SuperFilter, combines high-temperature superconductors with cryogenic cooling technology to produce a filter with significant advantages over conventional filters. The company was engaged primarily in research and development and generated revenues primarily from government research contracts.