Note 3 - Property and Equipment (Details) - Property and Equipment (USD $)	Mar. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property and equipment type	$ 1,950,500	$ 1,823,400
Less: accumulated depreciation and amortization	1,574,600	1,521,300
	375,900	302,100
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment type	1,256,400	1,243,500
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment type	443,200	432,400
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment type	$ 250,900	$ 147,500