Note 6 - Common Stock and Warrants of ROIC (Details) (USD $)	1 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2011	May 31, 2010	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 23, 2011
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Common Stock, Par or Stated Value Per Share (in Dollars per share)			$ 0.0001	$ 0.0001		$ 0.0001	$ 0.0001
Proceeds from Issuance of Common Stock (in Dollars)	$ 50,000,000		$ 39,300,000		$ 13,378,487
Stock Issued During Period, Shares, New Issues			3,183,245
Payments of Stock Issuance Costs (in Dollars)				34,870	425,383
Number of Days Notice							30 days
Proceeds from Warrant Exercises (in Dollars)			64,900,000	220,371,366
Warrant Repurchase Program, Authorized Amount (in Dollars)		40,000,000
Warrants Repurchased During Period, Shares			3,734,000	11,484,000
Payments for Repurchase of Warrants (in Dollars)			11,300,000	21,989,860
Weighted Average Cost Per Warrant (in Dollars per share)				$ 1.91
Minimum Price Company's Common Stock Must Trade Before Warrants Issued in The IPO Can Be Redeemed [Member]
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Share Price (in Dollars per share)							$ 18.75
Original Number Outstanding [Member] | Public Warrants [Member]
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Class of Warrant or Right, Outstanding			41,400,000	41,400,000
Private Placement Warrants [Member]
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Warrants Purchased By Sponsor During IPO							8,000,000
Warrants, Sales Price Per Warrant (in Dollars per share)							$ 1.00
Sponsor Warrants Exercised				8,000,000
Warrants, Repurchase Price Per Warrant (in Dollars per share)							$ 0.01
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)							12.00
Sponsor [Member]
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Stock Issued During Period, Shares, New Issues				688,500
Public and Private Placement Warrants [Member]
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance							53,400,000
Third-Party Warrant Holders [Member]
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Stock Issued During Period, Shares, New Issues			5,408,496
Public Warrants [Member]
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Stock Issued During Period, Shares, New Issues				18,364,281
Class of Warrant or Right, Outstanding			11,550,719	11,550,719
Commissions Paid to Agent [Member]
Note 6 - Common Stock and Warrants of ROIC (Details) [Line Items]
Payments of Stock Issuance Costs (in Dollars)			$ 687,600