Note 14 - Employee Equity Incentive Plans (Detail) - Stock Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Number of shares	425,000	1,686,000	1,865,000
Weighted average exercise price (per share) (in Dollars per share)	$ 0.12	$ 0.12	$ 0.23
Number of shares	(265,000)	0	0
Weighted average exercise price (per share) (in Dollars per share)	$ 0.20	$ 0	$ 0
Number of shares	(865,500)	(2,350,000)	(2,104,500)
Weighted average exercise price (per share) (in Dollars per share)	$ 0.43	$ 0.30	$ (0.32)
Vested and Exercisable at December 31, 2012	9,059,083
Vested and Exercisable at December 31, 2012 (in Dollars per share)	$ 0.39
Vested and Exercisable at December 31, 2012	1 year 131 days
Vested and Exercisable at December 31, 2012 (in Dollars)	$ 55,057
Beginning of Period [Member]
Outstanding at December 31, 2009			12,061,500
Outstanding at December 31, 2009 (in Dollars per share)			$ 0.40
Outstanding at December 31, 2009			3 years 226 days
Outstanding at December 31, 2009 (in Dollars)			0
Weighted average remaining contractual term (in years)			3 years 226 days
End of Period [Member]
Outstanding at December 31, 2009	11,158,000	11,822,000
Outstanding at December 31, 2009 (in Dollars per share)	$ 0.37	$ 0.39
Outstanding at December 31, 2009	1 year 248 days	2 years 189 days	3 years 76 days
Outstanding at December 31, 2009 (in Dollars)	0	0
Number of shares	10,452,500	11,158,000	11,822,000
Weighted average exercise price (per share) (in Dollars per share)	$ 0.36	$ 0.37	$ 0.39
Weighted average remaining contractual term (in years)	1 year 248 days	2 years 189 days	3 years 76 days
Aggregate intrinsic value (in Dollars)	$ 149,598	$ 0	$ 0