| (Values in U.S. Thousands) | Dec, 2018 | Dec, 2017 | Dec, 2016 | Dec, 2015 | Dec, 2014 |
| Sales | 0 | 0 | 0 | 0 | 2,950 |
| Sales Growth | unch | unch | unch | -100.00% | unch |
| Net Income | -20,730 | -29,960 | -28,530 | -21,380 | -3,340 |
| Net Income Growth | +30.81% | -5.01% | -33.44% | -540.12% | +57.78% |
Proteon Thera Com ST (PRTO)
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Proteon Therapeutics Inc. is a biopharmaceutical company. The Company is developing pharmaceuticals to address the medical needs of patients with kidney and vascular diseases. It is developing PRT-201, a recombinant human elastase, applied in a single treatment to the external surface of arteries and veins during an open surgical procedure or an endovascular intervention. Proteon Therapeutics Inc. is headquartered in Waltham, Mass.