Note 6 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

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

	2013			2012
Current:
Federal	$	(2	)	$	(2	)
State		99			73
		97			71
Deferred:
Federal		—			—
State		—			—
	$	97		$	71

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

	2013			2012
Deferred tax assets:
Accounts receivable, allowance for doubtful accounts	$	63		$	62
Reserves not deductible until paid		236			193
Net operating loss carryforwards
Federal		1,851			2,030
State		604			527
Federal Tax Credit		296			249
Capital loss carryforward		10			10
Other		31			5
Gross deferred tax assets		3,091			3,076
Less valuation allowance		(942	)		(996	)
Deferred tax assets net of valuation allowance	$	2,149		$	2,080
Deferred tax liabilities:
Property and equipment	$	(2,141	)	$	(2,072	)
Other		—			—
Gross deferred tax liabilities	$	(2,141	)	$	(2,072	)
Net deferred tax asset	$	8		$	8

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

	2013			2012
Income (loss) before income taxes	$	535		$	(255	)
Federal statutory tax rate		35%			35%
		187			(89	)
State income taxes, net of federal income tax benefits		64			48
Change in valuation allowance		(54	)		188
Increase in available federal tax credit		(47	)		(35	)
Other nondeductible expenses		52			46
Increase in net operating loss carryforward:   state		(77	)		(86	)
federal		—			1
Other, net		(28	)		(2	)
	$	97		$	71