Note 13 - Condemnation (Details) (USD $)	1 Months Ended		3 Months Ended	12 Months Ended		0 Months Ended
	Jun. 30, 2010	Mar. 31, 2006	Mar. 31, 2013	Apr. 30, 2014	Jun. 30, 2006 acre	Jul. 03, 2012 Subsequent Event [Member] Additional Damanges [Member]	Jul. 03, 2012 Subsequent Event [Member] Costs, Disbursements and Expenses [Member]	Jul. 03, 2012 Subsequent Event [Member]	Jul. 03, 2012 Interest [Member]
Note 13 - Condemnation (Details) [Line Items]
Proceeds from Legal Settlements		$ 26,315,000						$ 167,530,657
Litigation Settlement, Amount	125,000,000					98,685,000	1,474,941		67,370,716
Payments for Legal Settlements			29,000
Area of Land (in Acres)					245.5
Payments for Delayed Tax Exempt Exchange				$ 26,315,000