Thank you, Craig; and good afternoon, everyone. Before I begin my prepared remarks, I'd like to call your attention to our first quarter earnings press release that was issued early this morning. If you need a copy, it can be accessed on our website at ashs.com at press releases under the investors tab. Now turning to our first quarter results. For the three months ended March 31, 2021, total revenue was $4,364,000 a decrease of 4.5% when compared with $4,568,000 reported for the first quarter of 2020. First quarter revenue for the company's proton therapy system installed at Orlando Health in Florida was $1,531,000, a decrease of 8.7% when compared with the first quarter of 2020. Total proton therapy fractions decreased 26.6% to 1,231 for the three month period ended March 31, 2021 compared to 1,676 for the same period in the prior year. Revenue for the company's Gamma Knife operations was $2,892,000, even when compared with the first quarter of 2020. Gamma Knife procedures decreased by 5.6% to 355 for the first quarter of 2021 from 376 in the same period of the prior year. Gamma Knife volumes for centers in operation were even with Gamma Knife volumes for those same centers during the same period of the prior year. Gross margin for the first quarter of 2021 increased to $1,434,000, or 32.9% of revenue, compared to gross margin of $1,394,000, or 30.5% of revenue, for the first quarter of 2020.