Note 8 - Capital Transaction (Details) (USD $)	0 Months Ended
	Jun. 28, 2013 Private Placement [Member]	Apr. 17, 2013 Private Placement [Member]	Jun. 30, 2013 Cummulative Perpetual Preferred Series A and B [Member]
Note 8 - Capital Transaction (Details) [Line Items]
Sale of Stock, Consideration Received on Transaction (in Dollars)	$ 14,000,000
Sale of Stock, Number of Shares Issued in Transaction (in Shares)		14,000
Sale of Stock, Price Per Share		$ 1,000
Preferred Stock, Dividend Rate, Percentage		6.00%
Debt Instrument, Convertible, Conversion Price		$ 6.25
Preferred Stock, Redemption Amount (in Dollars)			$ 10,374,000