Note 6 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Current:
Federal
State	19	12
Deferred:
Federal	6,290	(217)
State	(4)	1
Total provision (benefit) for income taxes before valuation allowance	6,305	(204)
Change in valuation allowance	(6,296)	223
Total provision for income taxes	$ 9	$ 19

Represents the income tax expense (benefit) before valuation allowance.

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- Definition

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- References

No definition available.

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- Definition

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

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-Publisher FASB
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- Definition

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

+ References

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