Note 15 - Subsequent Events (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended	0 Months Ended
	Jun. 30, 2014	Aug. 06, 2014 Subsequent Event [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Stock Issued During Period, Shares, New Issues		1,175,000
Share Price (in Dollars per share)		$ 4.50
Additional Shares of Common Stock Purchasable		176,250
Proceeds from Issuance of Common Stock (in Dollars)	$ 806	$ 5,300
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		47,000
Warrant Issuance of Common Stock Sold, Percent		4.00%
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)		$ 5.40
Warrant Issuance Price of Share Price, Percent		120.00%