Note 8 - Preferred Stock and Warrants (Details) - $ / shares		9 Months Ended
	Jan. 08, 2014	Sep. 30, 2015	Dec. 31, 2014
Note 8 - Preferred Stock and Warrants (Details) [Line Items]
Preferred Stock, Shares Issued		23,167	28,000
Preferred Stock, Redemption, Shares Authorized		4,833
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		500,000
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)		$ 1,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)		$ 8.40
Preferred Stock, Dividend Rate, Percentage	5.00%	9.00%
Cumulative Preferred Stock [Member]
Note 8 - Preferred Stock and Warrants (Details) [Line Items]
Preferred Stock, Shares Issued		23,167
Preferred Stock, Shares Outstanding		23,167