Note 16 - Net Loss Per Share (Detail) - Securities Excluded from the Calculation of Diluted Net Loss Per Share	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Antidilutive Securities	407,149,200		63,258,000		406,537,238		48,720,000
Convertible Debt Securities [Member]
Antidilutive Securities	396,543,198	[1]	54,313,000	[1]	396,543,198	[1]	39,391,000	[1]
Stock Options [Member]
Antidilutive Securities	10,526,002		8,845,000		9,901,923		9,229,000
Warrant [Member]
Antidilutive Securities	60,000		60,000		60,000		60,000
Restricted Stock [Member]
Antidilutive Securities	20,000		40,000		32,117		40,000

[1] Assumes conversion of principal plus accrued interest as of September 30.