Note 4 - Property and Equipment (Details) - Property and Equipment (USD $)	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment type	$ 1,823,400	$ 1,699,600
Less: accumulated depreciation and amortization	1,521,300	1,340,700
	302,100	358,900
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment type	1,243,500	1,171,900
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment type	432,400	380,200
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment type	$ 147,500	$ 147,500