Note 6 - Warrants (Details)	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 28, 2012	Jun. 08, 2010	Mar. 31, 2014 June 2013 through March 2014 [Member] Summer 2013 [Member]	Apr. 30, 2013 Modified Offering [Member] Clyra Winter 2012 Private Securities Offering [Member]	Mar. 31, 2014 Summer 2013 [Member]	Mar. 31, 2014 Clyra Spring 2014 Private Securities Offering [Member]	Apr. 30, 2013 Clyra Winter 2012 Private Securities Offering [Member]	Dec. 31, 2012 Clyra Winter 2012 Private Securities Offering [Member]	Mar. 31, 2013 Winter 2013 [Member]
Note 6 - Warrants (Details) [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	0	60,000	0	50,000	50,000	3,370,000	3,333	3,110,000	166,667	799,999	2,858	1,366,664
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)		0.30		0.50	0.50			0.30	0.55	1,833		0.55