Note 7 - Investment in Affiliated Company (Detail) - NuGlow’s condensed statements of operations (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Operating expenses	$ (1,082,005)	$ (858,003)	$ (2,989,175)	$ (2,703,446)
NuGlow [Member]
Revenue	184,976	264,139	670,088	756,023
Cost of goods sold	(80,807)	(118,660)	(308,957)	(317,024)
Operating expenses	(55,255)	(223,388)	(470,852)	(687,150)
Net profit (loss)	$ 48,914	$ (77,909)	$ (109,721)	$ (248,151)