INVESTMENT IN IMAGION BIOSYSTEMS (Tables)

3 Months Ended

Mar. 31, 2021

INVESTMENT IN IMAGION BIOSYSTEMS

Schedule of changes to the investment in Imagion

Balance as of December 31, 2020	$	5,875,000
Change in the unrealized fair value of securities		324,000
Balance as of March 31, 2021	$	6,199,000