Note 2 - Notes Payable And Long-Term Debt (Details) (USD $)	0 Months Ended		1 Months Ended	6 Months Ended
	Jul. 12, 2012	Apr. 30, 2008	Jul. 31, 2007	Jun. 30, 2013	Dec. 31, 2012
Note 2 - Notes Payable And Long-Term Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 4,000,000		$ 5,500,000
Proceeds from Bank Debt			4,050,000
Debt Instrument Maturity Period		10 years
Debt Instrument Amortization Period		20 years
Debt Instrument, Interest Rate, Stated Percentage		7.10%		7.10%	7.10%
Debt Instrument, Basis Spread on Variable Rate	2.00%			2.27%
Line of Credit Facility, Remaining Borrowing Capacity				$ 4,000,000
Building [Member]
Note 2 - Notes Payable And Long-Term Debt (Details) [Line Items]
Area of Real Estate Property (in Square Feet)			191,000
Area of Real Estate Property (in Acres)			191,000
Land [Member]
Note 2 - Notes Payable And Long-Term Debt (Details) [Line Items]
Area of Real Estate Property (in Square Feet)			30
Area of Real Estate Property (in Acres)			30