Note 8 - Income Taxes (Details) - Deferred Income Tax Assets and Liabilities (USD $)	Dec. 31, 2013	Dec. 31, 2012
Deferred Income Tax Assets and Liabilities [Abstract]
Allowance for doubtful accounts	$ 98	$ 39,310
Capitalized inventory costs	208,384	200,017
Warrants and stock-based compensation	48,591	54,042
Accrued expenses, reserves, and other	101,050	110,151
Total deferred income tax assets	358,123	403,520
Property and equipment depreciation	1,074,646	689,893
Goodwill and other intangible assets amortization	186,501	170,674
Total deferred income tax liabilities	1,261,147	860,567
Net deferred tax asset (liability)	$ (903,024)	$ (457,047)