Note 7 - Litigation (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended			12 Months Ended	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Mar. 31, 2013 Attorney Fees [Member] Gross [Member]	Mar. 31, 2013 Taxable Costs [Member] Gross [Member]	Dec. 31, 2012 Quarterly [Member]	Sep. 30, 2012 Gross [Member]
Note 7 - Litigation (Details) [Line Items]
Gain Contingency, Unrecorded Amount						$ 9,100,000	$ 300,000
Proceeds from Legal Settlements	$ 400,000	$ 300,000	$ 800,000	$ 600,000	$ 1,200,000			$ 300,000	$ 2,000,000