Note 13 - Supplemental Cash Flow Information (Detail) - Supplemental Cash Flow Information (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Jun. 30, 2011
Purchase of property and equipment in Accounts Payable	$ 800	$ 478	$ 1,806
Reclassification of assets held for sale from Property and equipment	2,300
Additional cash payment information:
Interest paid	375	928	515
Income tax (paid)/ refunds received	169	293	(234)
Stock Plan Shares [Member]
Stock plan shares issued from Treasury	$ 1,057		$ 1,350