Note 4 - Investments

6 Months Ended

Jun. 30, 2017

Notes to Financial Statements

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

4. Investments

As of

June 30, 2017

and

December 31, 2016,

investments totaled

$564,000

and

$607,000

respectively, which consisted of marketable securities.

The following provides information regarding the Company’s marketable securities as of

June 30, 2017

and

December 31, 2016:

	June 30,			December 31,
	2017			2016
Cost basis	$	543,000		$	543,000
Gains previously recognized on warrants		380,000			380,000
Loss included in accumulated other comprehensive loss before tax benefit		(359,000	)		(316,000	)
Fair value	$	564,000		$	607,000

No

marketable securities were sold during the

six

months ended

June 30, 2017

and the year ended

December 31, 2016.

The change in unrealized gain of

$43,000

and

$18,000

for the

three

months ended

June 30, 2017

and

2016,

respectively, in the statements of comprehensive income are presented net of tax for the quarters ended

June 30, 2017

and

2016,

respectively. The tax expense on the unrealized gain was

$22,000

and

$5,000

for the quarters ended

June 30, 2017

and

2016,

respectively. The change in unrealized loss of

$35,000

and

$78,000

for the

six

months ended

June 30, 2017

and

2016,

respectively, in the statements of comprehensive income are presented net of tax for the

six

months ended

June 30, 2017

and

2016.

The tax benefit on the unrealized loss was

$8,000

and

$46,000

for the

six

months ended

June 30, 2017

and

2016,

respectively.