Note 13 - Shareholders Equity (Details) - Option Activity (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Option Activity [Abstract]
Options outstanding	2,184,583	2,318,498	1,877,417
Options outstanding, weighted average exercise price	$ 2.20	$ 2.28	$ 3.36
Vested and Expected to Vest at December 31, 2013	2,655,321
Vested and Expected to Vest at December 31, 2013	$ 1.24
Exercisable at December 31, 2013	1,914,697
Exercisable at December 31, 2013	$ 2.08
Options granted	2,079,500	120,000	1,040,000
Options granted, weighted average exercise price	$ 0.31	$ 0.27	$ 0.84
Options cancelled	(1,382,190)	(253,915)	(591,419)
Options cancelled, weighted average exercise price	$ 0.77	$ 2.22	$ 2.99
Options exercised	(20,000)		(7,500)
Options exercised, weighted average exercise price	$ 0.52		$ 0.60
Options outstanding	2,861,893	2,184,583	2,318,498
Options outstanding, weighted average exercise price	$ 1.53	$ 2.20	$ 2.28