Note 5 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	2018			2017
Current:
Federal	$	-		$	-
State		(213	)		-
Total current		(213	)		-
Deferred:
Federal		(989	)		-
State		-			-
Total deferred		(989	)		-
Income tax (benefit) expense from continuing operations	$	(1,202	)	$	-
Income tax (benefit) expense from discontinued operations	$	-		$	(35	)

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

	201 8			2017
Federal statutory rate		21.0	%		35.0	%
State tax, net of federal benefit		2.3			(12.3	)
State tax credits and adjustments		(11.8	)		(1.7	)
Change in federal tax rate		-			(54.6	)
Alternative minimum tax		67.7			-
Valuation allowance increase		(11.5	)		38.8
Other, net		14.5			(4.7	)
Effective income tax rate		82.2	%		0.5	%

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

	20 1 8			2017
Noncurrent deferred tax assets (liabilities):
Accounts receivable	$	-		$	46
Other accrued expenses		50			339
Property, plant and equipment		(1	)		(659	)
Notes receivable fair value adjustment		413			-
Employee benefits		95			1,970
Contribution carryforward		-			-
AMT credit		698			1,192
Net operating loss		7,743			6,733
Gross non-current deferred tax assets		8,998			9,621
Less valuation allowance		(8,504	)		(9,621	)
Net noncurrent deferred tax assets	$	494		$	-

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

	201 8			2017
Unrecognized tax benefits balance at January 1	$	454		$	471
Gross (decrease) increases in tax positions of prior years		(213	)		(17	)
Unrecognized tax benefits balance at December 31	$	241		$	454