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Note 10 - Income Taxes (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	34.00%
Unrecognized Tax Benefits	$ 382,000	$ 167,000
Unrecognized Tax Benefits, Period Increase (Decrease)		400,000
Fourth Quarter [Member]
Deferred Tax Assets, Valuation Allowance		$ 3,600,000

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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X

- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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- Definition

The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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