Note 4 - Investments

3 Months Ended

Mar. 31, 2020

Notes to Financial Statements

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

4. Investments

As of

March 31, 2020

and

December 31, 2019,

investments totaled

$228,000

and

$335,000,

respectively, which consisted of equity securities. Certain marketable securities were sold during the

three

months ended

March 31, 2020

and

March 31, 2019.

The total loss on marketable securities during the

three

months ended

March 31, 2020

was

$59,000,

whereas the total gain on marketable securities during the

three

months ended

March 31, 2019

was

$170,000.

The loss for the

three

months ended

March 31, 2020

was due to an unrealized loss of

$76,000

and a realized gain of

$17,000.

The gain for the

three

months ended

March 31, 2019

was due to an unrealized gain of

$167,000

and a realized gain of

$3,000.