Note 4 - Short-term Investments

6 Months Ended

Jun. 30, 2022

Notes to Financial Statements

Investment [Text Block]

(4) SHORT-TERM INVESTMENTS

Our short-term investments at June 30, 2022 consist of investments in U.S. treasury bills which were purchased in April 2022 and which have original maturities of six months. They are all classified as held-to-maturity. Additional information about these investments at June 30, 2022 is as follows:

	Amortized Cost Basis		Gross Unrealized Gains		Fair Value
As of June 30, 2022
U.S. treasury bills	$	3,485	$	-	$	3,485