Note 14 - Share-Based Payments (Details1) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Notes to Financial Statements
Number of shares Outstanding, Beginning Balance	7,436,500	8,043,000
Number of shares Granted		145,000
Number of shares Exercised		(20,000)
Number of shares Cancelled/expired	(70,000)	(731,500)
Number of shares Outstanding, Ending Balance	7,366,500	7,436,500	8,043,000
Number of shares Vested and exercisable	7,193,167	7,058,167
Weighted average exercise price Outstanding, Beginning Balance	$ 0.08	$ 0.08
Weighted average exercise price Granted		$ 0.1
Weighted average exercise price Exercised		$ 0.08
Weighted average exercise price Cancelled/expired	$ 0.1	$ 0.08
Weighted average exercise price Outstanding, Ending Balance	$ 0.08	$ 0.08	$ 0.08
Weighted average remaining contractual life Outstanding, Ending Balance	4 years 8 months 12 days	5 years 7 months 6 days	6 years 9 months 18 days
Aggregate intrinsic value Outstanding, Ending Balance		$ 282,000	$ 237,000