Note 9 - Restructuring Costs And Loss On Impairment Of Assets (Detail) - Lease Termination Restructuring Accrual (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Jun. 30, 2011
Facility Closing [Member]
Balance at beginning of period	$ 1,655	$ 915	$ 2,685
Provision for additional expense			249
Payments and adjustments(a)	(740)	(431)	(1,279)
Balance at end of period	915		1,655
Period End [Member]
Balance at end of period	$ 915	$ 484	$ 1,655