Note 6 - Public Offering (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended	1 Months Ended
	Mar. 31, 2014	Jan. 31, 2014 Public Offering [Member]
Note 6 - Public Offering (Details) [Line Items]
Stock Issued During Period, Shares, New Issues		6,700,000
Sale of Stock, Price Per Share		$ 4.30
Proceeds from Issuance of Common Stock	$ 26.8	$ 26.8