Note 5 - Income Taxes (Detail) (USD $)	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2031	Dec. 31, 2028	Dec. 31, 2012	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2010	Dec. 31, 2017 Subject To Experiation [Member]	Dec. 31, 2016 Subject To Experiation [Member]	Dec. 31, 2015 Subject To Experiation [Member]	Dec. 31, 2012 Subject To Experiation [Member]	Dec. 31, 2012 State Net Operating Loss Carry Forwards [Member] Subject To Experiation [Member]	Dec. 31, 2012 State Net Operating Loss Carry Forwards [Member]
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 4,263
Operating Loss Carryforwards				32,804,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	8,427,000			7,638,000		6,858,000							93,362,000
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration		13,887,000	18,917,000
Deferred Tax Assets, Capital Loss Carryforwards	2,045,000			2,243,000				298,000	3,328,000	1,989,000	5,615,000
	3,022,000			3,022,000		3,022,000						3,022,000
Unrecognized Tax Benefits	445,000			445,000	445,000	414,000	365,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 29,000			$ 29,000		$ 29,000