Note 19 - Quarterly Data - Seasonality (Unaudited) (Details) - Quarterly Historical Financial Data (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Quarterly Historical Financial Data [Abstract]
Net revenue	$ 23,925	$ 32,576	$ 28,562	$ 22,016	$ 21,435	$ 21,366	$ 7,251	$ 4,448	$ 107,079	$ 54,500	$ 7,778
Operating loss	(1,549)	(2,503)	(967)	(706)	(1,064)	(1,123)	(1,251)	(1,670)	(5,725)	(5,108)	(8,882)
Net loss	$ (18,982)	$ (1,048)	$ (2,700)	$ (3,836)	$ (14,513)	$ 2,007	$ 1,125	$ (382)	$ (26,566)	$ (11,797)	$ (34,300)
Basic loss per common share (in Dollars per share)	$ (0.30)	$ (0.02)	$ (0.05)	$ (0.07)	$ (0.26)	$ 0.04	$ 0.03	$ (0.01)	$ (0.44)	$ (0.27)	$ (0.93)
Diluted loss per common share (in Dollars per share)	$ (0.30)	$ (0.02)	$ (0.05)	$ (0.07)	$ (0.26)	$ 0.04	$ 0.03	$ (0.01)	$ (0.44)	$ (0.27)	$ (0.93)