Note 9 - Sale of Common Stock (Details) (USD $)	1 Months Ended	3 Months Ended				1 Months Ended				1 Months Ended			1 Months Ended		3 Months Ended		3 Months Ended	1 Months Ended	3 Months Ended			3 Months Ended
	Feb. 22, 2013	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Sep. 18, 2013 September 2013 SPA [Member] Warrant Issued For Placement Agent Services [Member]	Sep. 18, 2013 September 2013 SPA [Member] September 2013 Warrants [Member]	Sep. 18, 2013 September 2013 SPA [Member]	Dec. 31, 2013 September 2013 SPA [Member]	Feb. 22, 2013 February 2013 SPA [Member] Warrant Issued For Placement Agent Services [Member]	Feb. 22, 2013 February 2013 SPA [Member] February 2013 Warrants [Member]	Feb. 22, 2013 February 2013 SPA [Member]	Mar. 31, 2014 February 2013 SPA [Member]	Feb. 22, 2013 Additional Issurance Due To Anti-Dilutive Provisions [Member]	Mar. 31, 2014 February 2013 SPA Option [Member]	Mar. 31, 2014 September 2013 Warrants [Member]	Dec. 31, 2013 September 2013 Warrants [Member]	Mar. 31, 2014 September 2013 SPA Option [Member]	Sep. 18, 2013 February 2013 Warrants [Member]	Mar. 31, 2014 February 2013 Warrants [Member]	Mar. 31, 2013 February 2013 Warrants [Member]	Dec. 31, 2013 February 2013 Warrants [Member]	Mar. 31, 2013 February 2013 SPA Option [Member]
Note 9 - Sale of Common Stock (Details) [Line Items]
Stock Issued During Period, Shares, New Issues (in Shares)							29,166,668				26,933,333		40,400,001
Sale of Stock, Price Per Share (in Dollars per share)							$ 0.06				$ 0.15
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)					1,485,333	30,625,001	29,166,668		1,885,333	28,818,666	26,933,333
Proceeds from Issuance or Sale of Equity							$ 1,750,000				$ 4,040,000
Proceeds from Issuance or Sale of Equity, Net							1,575,000				3,504,000
Term To Hold Share Purchase							24 months				24 months
(in Shares)							16,666,667				7,000,000
Right To Purchase Common Stock Shares (in Shares)							16,666,667				7,000,000
Delivery Period for Common Shares Upon Investors' Request							3 days				3 days
Common Stock, Capital Shares Reserved for Future Issuance (in Shares)		35,666,000	35,666,000					16,666,667				19,000,000
Percentage of Common Shares Available for Purchase at Initial Closing							50.00%				50.00%
Class of Warrant or Right Exercise Period of Warrants or Rights						5 years					5 years
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)						0.08				0.20					0.08	0.08			0.08		0.08
Class of Warrant or Right Period for Presenting Effective Registration Statement for Avoiding Cashless Exercise of Warrants or Rights						180 days				180 days
Limitation of Beneficially Owned Percentage of Common Stock for Exercise of Warrants						4.99%				4.99%
Discretionary Increase in Limitation of Beneficially Owned Percentage of Common Stock for Exercise of Warrants						9.99%				9.99%
Notice Period for Discretionary Increase in Limitation of Beneficially Owned Percentage of Common Stock for Exercise of Warrants						61 days				61 days
Warrants Grant Date Fair Value														1,211,000	1,807,000		1,166,000		2,759,000
Derivative Liability, Fair Value, Gross Liability															842,000		351,000		1,981,000
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings		179,000													215,000		59,000		540,000	884,000		583,000
(in Shares)																		43,228,001
(in Dollars per share)																		$ 0.08
Net Proceeds Used For Investor Relations		1,000,000
Payments For Investor Relations	500,000		220,000	250,000
Restricted Cash and Cash Equivalents, Current		$ 30,000	$ 30,000