Note 7 - Shareholders' Equity (Detail) (USD $)	5 Months Ended	9 Months Ended				9 Months Ended	7 Months Ended	9 Months Ended
	May 21, 2012	Sep. 30, 2012	Sep. 30, 2011	Aug. 07, 2012	Dec. 31, 2011	Sep. 30, 2012 Preferred Share [Member] Net [Member]	Aug. 07, 2012 Preferred Share [Member]	Sep. 30, 2012 Preferred Share [Member]	Jun. 30, 2012 Preferred Share [Member]	May 21, 2012 Offering Price [Member]
Common Stock, Shares, Issued (in Shares)	5,111,750	18,766,765			13,340,815
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 1.00	$ 1.00			$ 1.00					$ 9.00
Common Stock, Shares, Outstanding (in Shares)	666,750	18,749,912			13,340,815
Proceeds from Issuance of Common Stock	$ 42,900,000	$ 45,969,000
Stock Repurchased During Period, Shares (in Shares)							1,260	43,740
Preferred Stock, Shares Outstanding (in Shares)		0			45,000			45,000
Stock Repurchased During Period, Value						42,900,000	1,260,000	43,700,000
Discount Rate		1.883%
Additional Paid in Capital		74,976,000			33,816,000			557,000
Amortization of Financing Costs and Discounts								249,000
Other Notes Payable									42,900,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)				8.75
Dividends, Preferred Stock, Cash		$ 1,400,000	$ 2,300,000