Note 14 - Income Taxes (Detail) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	$ 40,100,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	41,000,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	5,400,000
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	16,000
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 7,100,000	$ 3,300,000

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

+ References+ Details

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

+ References+ Details

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

+ References+ Details

- 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.

+ References+ Details

- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

+ References+ Details