Note 12 - Subsequent Event (Details) (USD $) In Millions, except Share data, unless otherwise specified				0 Months Ended	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013		Jul. 02, 2014 Public Offering [Member] Subsequent Event [Member]	Jun. 30, 2014 Public Offering [Member] Underwriter [Member]	Jun. 27, 2014 Public Offering [Member]
Note 12 - Subsequent Event (Details) [Line Items]
Public Offering, Shares Authorized						4,650,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01	[1]			$ 0.01
Share Price				$ 5.00		$ 5.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures					697,500
Stock Issued During Period, Shares, New Issues				5,347,500
Proceeds from Issuance of Common Stock				$ 25.2

[1] Derived from the audited December 31, 2013 financial statements