Note 8 - Stockholders' Equity (Details) (USD $)	1 Months Ended		3 Months Ended
	May 31, 2014 Voting Common Stock [Member]	May 31, 2014 Nonvoting Common Stock [Member]	Sep. 30, 2014 Non-Voting to Voting Common Stock [Member]
Note 8 - Stockholders' Equity (Details) [Line Items]
Shareholders' Shares Sold in Underwritten Offering	4,845,447
Share Price (in Dollars per share)	$ 15.50
Conversion of Stock, Shares Converted		139,548	279,095
Proceeds from Issuance of Common Stock (in Dollars)	$ 0