Note 19 - Fair Value Measurements (Detail) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 21, 2012	Dec. 31, 2011	Dec. 31, 2010	Mar. 31, 2010
Change in Probability of Reset Being Triggered	10.00%	10.00%		10.00%
Reset Trigger, Resulting Change	$ 1,500,000	$ 1,500,000		$ 1,500,000			$ 540,000
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net	(1,996,000)	640,000	3,650,000	(1,870,000)	(12,120,000)
Embedded conversion feature liability	$ 19,460,000	$ 19,460,000	$ 34,980,000	$ 19,460,000	$ 34,980,000	$ 5,120,000	$ 12,470,000	$ 22,860,000	$ 21,190,000