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Note 8 - Income Taxes (Detail) - The net deferred tax liability is classified on the balance sheets as follows: (USD $)	Dec. 31, 2012	Dec. 31, 2011
Current deferred tax assets	$ 349,478	$ 281,251
Long-term deferred tax liabilities	(806,525)	(858,829)
Net deferred tax asset (liability)	$ (457,047)	$ (577,578)

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences expected to be realized or consumed within one year or operating cycle, if longer.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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