Note 3 - Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

Description	Carrying Value		Fair Value		Level 1		Level 2		Level 3
September 30, 2017
Long-term debt	$	2,626,661	$	2,626,661		-	$	2,626,661		-
Note receivable		1,548,910		1,742,000		-		1,742,000		-
Marketable securities		327,000		327,000	$	327,000		-		-
December 31, 2016
Long-term debt	$	2,907,437	$	2,907,437		-	$	2,907,437		-
Note receivable		1,630,164		1,812,000		-		1,812,000		-
Marketable securities		296,000		296,000	$	296,000		-		-