Note 5 - Private Securities Offerings (Detail) (USD $)	1 Months Ended		3 Months Ended				1 Months Ended	3 Months Ended	6 Months Ended	1 Months Ended	3 Months Ended	7 Months Ended				3 Months Ended	5 Months Ended		1 Months Ended			1 Months Ended
	May 11, 2013	Dec. 28, 2012	Mar. 31, 2013	Jan. 31, 2013	Dec. 31, 2011	Jun. 08, 2010	Dec. 31, 2011 September 2011 - December 31, 2011 (Member) Fall 2011 Offering [Member]	Mar. 31, 2013 Winter 2013 Offering (Member)	Jun. 30, 2011 Winter 2013 Offering (Member)	Dec. 17, 2012 Clyra Winter 2012 Private Securities Offering [Member]	Mar. 31, 2013 Clyra Winter 2012 Private Securities Offering [Member]	Nov. 30, 2012 Summer 2012 Offering [Member]	Nov. 30, 2012 Summer 2012 Warrants [Member]	Oct. 23, 2012 Summer 2012 Warrants [Member]	Oct. 22, 2012 Summer 2012 Warrants [Member]	Mar. 31, 2013 Winter 2012 Offering [Member]	May 31, 2012 Winter 2012 Offering [Member]	May 31, 2012 Winter 2012 Warrants [Member]	Jan. 31, 2012 Fall 2011 Offering [Member]	Dec. 31, 2011 Fall 2011 Offering [Member]	Dec. 31, 2012 Fall 2011 Warrants [Member]	Dec. 31, 2011 Fall 2011 Offering [Member]	Sep. 30, 2011 Fall 2011 Offering [Member]
Sale of Stock, Price Per Share (in Dollars per share)		$ 0.25		$ 0.30				$ 0.30		$ 1,000		$ 0.35		$ 0.35	$ 0.40		$ 0.35			$ 0.35
Stock Issued During Period, Shares, New Issues (in Shares)	633,333	60,000					1,335,201	1,366,667			40	2,771,671				1,366,664	3,127,914		275,986			1,059,215
Proceeds from Issuance of Private Placement (in Dollars)	$ 190,000		$ 40,000						$ 410,000		$ 40,000	$ 970,086					$ 1,094,765		$ 96,594			$ 370,723	$ 467,317
Proceeds from Issuance of Private Placement, Net									369,000		36,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)						0.50			0.55	1,833.33			0.50	0.50	0.55			0.50			0.50
Debt Conversion, Converted Instrument, Shares Issued (in Shares)										1,000
Debt Instrument, Convertible, Terms of Conversion Feature										one
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)		50,000				50,000				2,858
Proceeds from Debt, Net of Issuance Costs												$ 918,586					$ 1,040,315
Number of Accredited Investors	two				16