Note 12 - Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Marketable Securities [Table Text Block]

	December 31, 201 6
	Amortized Cost		Gross Unrealized Gains		Total
Available-for-sale:
Equity securities	$	6,096	$	406	$	6,502
Held-to-maturity:
Debt securities		1,599		-		1,599
Total marketable securities	$	7,695	$	406	$	8,101

	December 31, 201 5
	Amortized Cost		Gross Unrealized Gains/ ( Losses )			Total
Available-for-sale:
Equity securities	$	5,511	$	398		$	5,909
Held-to-maturity:
Debt securities		1,656		(1	)		1,655
Total marketable securities	$	7,167	$	397		$	7,564