Note 14 - Net Income (Loss) Per Share (Detail) - Antidilutive Securities	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Antidilutive Securities	17,915,698		73,080,436
Convertible Debt Securities [Member]
Antidilutive Securities		[1]	62,986,376	[1]
Stock Options [Member]
Antidilutive Securities	17,875,698		9,994,060
Warrant [Member]
Antidilutive Securities	20,000		60,000
Unvested Restricted Stock (Member)
Antidilutive Securities	20,000		40,000

[1] Assumes conversion of principal plus accrued interest as of March 31.