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Note 15 - Income Taxes (Details) - The Components of Income Tax Expense (Benefit) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Note 15 - Income Taxes (Details) - The Components of Income Tax Expense (Benefit) [Line Items]
Current tax expense/(benefit):	$ 385us-gaap_CurrentIncomeTaxExpenseBenefit	$ 17,655us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred tax expense/(benefit):
Deferred tax expense (benefit)	(389,778)us-gaap_DeferredIncomeTaxExpenseBenefit	(646,885)us-gaap_DeferredIncomeTaxExpenseBenefit
Valuation allowance	390,163	664,540
Total tax expense/(benefit)	385us-gaap_IncomeTaxExpenseBenefit	17,655us-gaap_IncomeTaxExpenseBenefit
Bad Debt Allowance [Member]
Deferred tax expense/(benefit):
Deferred tax expense (benefit)	7,667	(7,659)
Operating Loss Carryforward [Member]
Deferred tax expense/(benefit):
Deferred tax expense (benefit)	(411,842)	(674,203)
Amortization of Intangibles [Member]
Deferred tax expense/(benefit):
Deferred tax expense (benefit)	1,370	1,370
Patent Litigation Settlement [Member]
Deferred tax expense/(benefit):
Deferred tax expense (benefit)	$ 12,642	$ 15,952