Note 8 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2015			2014
	(in thousands)
Federal income tax expense (benefit) at statutory rate	$	2,385		$	6,172
Adjusted for:
Valuation allowance		(2,390	)		(6,170	)
Permanent differences and other		5			(2	)
Income tax benefit - continuing operations	$	-		$	-

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2015			2014
	(in thousands)
Net operating loss and tax credit carryforwards	$	46,395		$	50,361
Joint venture and other investments		183			238
Accrued retirement benefits		4,765			2,550
Property net book value		3,275			2,715
Deferred revenue		1,101			1,160
Stock compensation		22			154
Reserves and other		460			447
Total deferred tax assets		56,201			57,625
Valuation allowance		(56,201	)		(57,625	)
Net deferred tax assets	$	-		$	-