Note 3 - Investments

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

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

3. Investments

As of

December 31,

201

7

and

2016,

investments totaled

$343,000

and

$607,000,

respectively, which consisted of marketable securities.

The following provides information regarding the Company

’s marketable securities as of

December 31, 2017

and

2016:

	December 31,
	2017			2016
Cost basis	$	543,000		$	543,000
Gain previously recognized on warrants		380,000			380,000
Loss included in accumulated other comprehensive loss		(580,000	)		(316,000	)
Fair value	$	343,000		$	607,000

No

marketable securities were sold during the year ended

December

31,

2017.

The change in unrealized loss of

$254,000

and

$56,000

in the statements of comprehensive income is presented net of tax for the years ended

December 31, 2017

and

2016,

respectively. The tax benefit on the unrealized loss was

$10,000

and

$34,000,

in

2017

and

2016,

respectively.