Note 2 - Summary of Significant Accounting Policies (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Interstate Rate Term	6 years
Deferred Revenue (in Dollars)	$ 840,303	$ 656,968
Interest Rate Derivative Assets, at Fair Value (in Dollars)	0
Swap One [Member]
Notional Amount of Fair Value Hedge Instruments (in Dollars)	90,000,000
Derivative, Fixed Interest Rate	1.85%
Swap Two [Member]
Notional Amount of Fair Value Hedge Instruments (in Dollars)	$ 60,000,000
Derivative, Fixed Interest Rate	2.0475%