Note 2 - Discontinued Operations (Detail) (VISaer [Member], USD $)	1 Months Ended	12 Months Ended		24 Months Ended
	Jan. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jan. 31, 2013
VISaer [Member]
Proceeds from Divestiture of Businesses	$ 250,000	$ 250,000	$ 600,000	$ 1,100,000
Financing Receivable, Net		249,000
Receivable with Imputed Interest, Discount		1,000
Notes Payable		24,000
Debt Instrument, Unamortized Discount (Premium), Net		$ 1,000