Analysts
| 
			 Jerry Isaacson, PhD  | 
			Roth Capital Partners, LLC | 
| John D. Vandermosten, CFA | Zacks Small Cap Research | 
| Marcel Wijma, MSc | Van Leeuwenhoeck Institute | 
| 
			 Jerry Isaacson, PhD  | 
			Roth Capital Partners, LLC | 
| John D. Vandermosten, CFA | Zacks Small Cap Research | 
| Marcel Wijma, MSc | Van Leeuwenhoeck Institute |