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Note 11 - Income Taxes (Detail) - Income Tax Reconciliation	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
United States statutory rate	34.00%	34.00%	34.00%
State taxes (net of federal tax benefit)	1.80%	2.70%	(0.10%)
Valuation allowance	(27.80%)	(34.40%)	(33.70%)
Other	(8.00%)	(2.30%)	(0.20%)
	0.00%	0.00%	0.00%

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- 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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