Image Sensing Systems (ISNS) is a nano-cap sensor company with an established business and favorable unit economics. The company has no debt, generates consistent free cash flow, and is trading at a normalized price-to-earnings ratio below 15. Shares of ISNS are down 20% for the year due to supply chain disruptions caused by coronavirus, but the long-term value of the business has not been impaired and the company has plenty of cash to cover any short-term surprises. Revenue growth has been slow, but ISNS has exposure to growing markets and the ability to