Note 4 - Investments

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

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

4. Investments

As of

June 30, 2020

and

December 31, 2019,

investments totaled

$270,000

and

$335,000,

respectively, which consisted of equity securities.

No

marketable securities were sold during the

three

months ended

June 30, 2020,

and certain marketable securities were sold during the

three

months ended

June 30, 2019.

The total gain on marketable securities during the

three

months ended

June 30, 2019

was

$439,000,

consisting of an unrealized gain of

$387,000

and a realized gain of

$52,000.

Certain marketable securities were sold during both the

six

months ended

June 30, 2020

and

2019.

The total loss on marketable securities during the

six

months ended

June 30, 2020

was

$18,000,

and the total gain on marketable securities during the

six

months ended

June 30, 2019

was

$609,000.

The loss for the

six

months ended

June 30, 2020

was due to an unrealized loss of

$35,000

and a realized gain of

$17,000.

The gain for the

six

months ended

June 30, 2019

was due to an unrealized gain of

$554,000

and a realized gain of

$55,000.