Note 4 - Investments in Debt Securities

12 Months Ended

Dec. 31, 2019

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

4

.

Investments in debt securities

The following table sets forth amortized cost and fair value of investments in debt securities (short-term and long-term):

		Amortized Cost				Fair Value
				December 31,
	Longest Maturity Date	2019		2018		2019		2018
U.S. government and agency securities	2022	$	1,612	$	-	$	1,612	$	-
Corporate bonds	2022		7,475		-		7,477		-
Certificates of deposit	One-year		2,400		-		2,400		-
		$	11,487	$	-	$	11,489	$	-

Income from these investments totaled

$24

and

$0

during the years ended

December 31, 2019

and

2018,

respectively, and was included as a portion of interest and investment income on the Company’s consolidated statements of operations.

Based on the Company’s review of its debt securities in an unrealized loss position at

December 31, 2019,

it determined that the losses were primarily the result of changes in interest rates, which were considered to be temporary, rather than a deterioration in credit quality. The Company does

not

intend to sell and it is

not

more likely than

not

that the Company will be required to sell these securities prior to recovering their amortized cost. As such, the Company does

not

consider these securities to be other-than-temporarily impaired at

December 31, 2019.