Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	201 9			2018
Current:
Federal	$	-		$	-
State		(84	)		(213	)
Total current		(84	)		(213	)
Deferred:
Federal		-			(989	)
State		-			-
Total deferred		-			(989	)
Income tax (benefit) expense from continuing operations	$	(84	)	$	(1,202	)

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

	201 9			2018
Federal statutory rate		21.0	%		21.0	%
State tax, net of federal benefit		3.8			2.3
State tax credits and adjustments		(122.7	)		(11.8	)
Change in federal tax rate		-			-
Alternative minimum tax		-			67.7
Valuation allowance increase		(3.9	)		(11.5	)
Other, net		4.3			14.5
Effective income tax rate		(97.6	)%		82.2	%

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

	20 19			2018
Noncurrent deferred tax assets (liabilities):
Equity method investment	$	99		$	-
Other accrued expenses		32			50
Property, plant and equipment		(1	)		(1	)
Notes receivable fair value adjustment		578			413
Employee benefits		66			95
AMT credit		247			698
Net operating loss		7,726			7,743
Gross non-current deferred tax assets		8,747			8,998
Less valuation allowance		(8,500	)		(8,504	)
Net noncurrent deferred tax assets	$	247		$	494

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	201 9			2018
Unrecognized tax benefits balance at January 1	$	241		$	454
Gross decrease in tax positions of prior years		(84	)		(213	)
Unrecognized tax benefits balance at December 31	$	157		$	241