Note 3 - Significant Events (Details) - Summary of severance liability and other restructuring costs (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,086	$ 2,237	$ 2,086
Charges	497	2,575	3,072
Cash spent	(648)	(338)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	299	600	299
Charges	54	649
Cash spent	(355)	(49)
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,787	1,637	1,787
Charges	443	1,926
Cash spent	$ (293)	$ (289)