Note 11 - Share-Based Payments (Details) - Stock Option (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Note 11 - Share-Based Payments (Details) - Stock Option [Line Items]
Granted	0
Granted (in Dollars per share)	$ 0
Exercised	0
Exercised (in Dollars per share)	$ 0
Forfeited	(44,375)
Forfeited (in Dollars per share)	$ 4.62
Expired	(208,500)
Expired (in Dollars per share)	$ 2.78
Vested or expected to vest at June 30, 2013	2,258,030
Vested or expected to vest at June 30, 2013 (in Dollars per share)	$ 4.06
Vested or expected to vest at June 30, 2013	5 years 270 days
Vested or expected to vest at June 30, 2013 (in Dollars)	$ 0
Options exercisable at June 30, 2013	2,078,401
Options exercisable at June 30, 2013 (in Dollars per share)	$ 4.30
Options exercisable at June 30, 2013	5 years 270 days
Options exercisable at June 30, 2013 (in Dollars)	0
Beginning Balance (Member)
Note 11 - Share-Based Payments (Details) - Stock Option [Line Items]
Options outstanding at December 31, 2012	2,530,864
Options outstanding at December 31, 2012 (in Dollars per share)	$ 3.94
Options outstanding at December 31, 2012	6 years 164 days
Options outstanding at December 31, 2012 (in Dollars)	0
Options outstanding at June 30, 2013	6 years 164 days
Ending Balance (Member)
Note 11 - Share-Based Payments (Details) - Stock Option [Line Items]
Options outstanding at December 31, 2012	5 years 306 days
Options outstanding at June 30, 2013	2,277,989
Options outstanding at June 30, 2013 (in Dollars per share)	$ 4.04
Options outstanding at June 30, 2013	5 years 306 days
Options outstanding at June 30, 2013 (in Dollars)	$ 0