Note 11 - Stock Based Compensation (Detail) - Stock Options Activity (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Granted	133,332,000	99,999,000
Granted (in Dollars per share)	$ 2.88	$ 8.04
Forfeited/expired	(139,096,000)	(91,513,000)
Forfeited/expired (in Dollars per share)	$ 27.61	$ 44.47
Exercisable at December 31,	89,254,000	134,536,000
Exercisable at December 31, (in Dollars per share)	$ 50.81	$ 53.44
Exercisable at December 31,	5 years 219 days	6 years 73 days
Beginning Balance [Member]
Outstanding at January 1,	260,730,000	252,244,000
Outstanding at January 1, (in Dollars per share)	$ 33.49	$ 47.56
Outstanding at January 1,	7 years 255 days	7 years 6 months
Outstanding at December 31,		260,730,000
Outstanding at December 31, (in Dollars per share)		$ 33.49
Outstanding at December 31,	7 years 255 days	7 years 6 months
Ending Balance [Member]
Outstanding at January 1,	260,730,000
Outstanding at January 1, (in Dollars per share)	$ 33.49
Outstanding at January 1,	7 years 292 days	7 years 255 days
Outstanding at December 31,	254,966,000	260,730,000
Outstanding at December 31, (in Dollars per share)	$ 20.69	$ 33.49
Outstanding at December 31,	7 years 292 days	7 years 255 days