Note 10 - Stock Based Compensation (Details) - Stock Option and Restricted Stock Awards (USD $)	0 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 28, 2013	Oct. 27, 2013	Dec. 31, 2010
Stock Option and Restricted Stock Awards [Abstract]
Outstanding-Number Outstanding	861,905	861,905	725,529	691,809	900,000	3,900,000	481,699
Outstanding- Weighted Average Exercise Price (in Dollars per share)	$ 12.29	$ 12.29	$ 14.63	$ 16.88			$ 1,782
Outstanding- Weighted Average Remaining Contractual Term (in years)	6 years 219 days	10 years
Exercisable at December 31, 2013	601,482	601,482
Exercisable at December 31, 2013 (in Dollars per share)	$ 14.28	$ 14.28
Exercisable at December 31, 2013		6 years 109 days
Granted- Number Outstanding		187,777	145,611	265,703
Granted- Weighted Average Exercise Price (in Dollars per share)		$ 4.39	$ 10.08	$ 16.52
Exercised- Number Outstanding		(12,429)	(47,575)
Exercised- Weighted Average Exercise Price (in Dollars per share)		$ 14.67	$ 14.67
Canceled or expired- Number Outstanding		(38,972)	(64,316)	(55,593)
Canceled or expired- Weighted Average Exercise Price (in Dollars per share)		$ 16.79	$ 29.43	$ 14.54