Note 2 - Notes Payable and Long-term Debt - Summary of Credit Agreement and Line of Credit Note (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Credit Agreement with JPMorgan Chase Bank, N.A. [Member]
Line of Credit Note dated July 31, 2007, converted to a 10-year term note on April 30, 2008; $16,875 monthly principal payments plus interest at 7.1% per annum; matures April 30, 2018	$ 1,834,313	$ 2,143,125
Line of Credit Note with JPMorgan Chase Bank, N.A.[Member]
Line of Credit Note dated July 31, 2007, converted to a 10-year term note on April 30, 2008; $16,875 monthly principal payments plus interest at 7.1% per annum; matures April 30, 2018		3,500,000
	$ 1,834,313	5,643,125
Less - Current maturities	(202,500)	(3,702,500)
LONG-TERM DEBT, net of current maturities	$ 1,631,813	$ 1,940,625