Note 13 - Warrants (Details) (USD $)					1 Months Ended			0 Months Ended	1 Months Ended		1 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Oct. 29, 2013	Dec. 31, 2012	Sep. 30, 2009 September 2009 Warrants [Member] Maximum [Member]	Sep. 30, 2009 September 2009 Warrants [Member] Minimum [Member]	Sep. 30, 2009 September 2009 Warrants [Member]	Jun. 03, 2013 Waived Warrant [Member]	Oct. 28, 2013 Waived Warrant [Member]	May 30, 2013 Waived Warrant [Member]	Sep. 30, 2009 September 2009 Registered Direct Offering [Member]	Jun. 30, 2013 Warrant Liability [Member]
Note 13 - Warrants (Details) [Line Items]
Proceeds from Issuance or Sale of Equity											$ 7,100,000
Proceeds from Issuance or Sale of Equity, Net											6,300,000
Common Stock and Warrants Issued, Shares (in Shares)											448,478
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)							224,239
Class of Warrant or Right, Exercisable Term					66 months	6 months
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)		$ 8.18		$ 10.65			$ 23.58
Warrants and Rights Outstanding	398,044	3,026
Class of Warrant or Right, Waived (in Shares)										1,398,816
Common Stock, Shares Authorized (in Shares)	75,000,000	75,000,000	75,000,000
Reclassification From Equity to Liability								9,100,000
undefined												8,700,000
Reverse Stock Split Reclassification From Liability to Equity									$ 5,300,000