Note 3 - Acquisitions (Detail) - Purchase Price Allocation: (USD $) In Thousands, unless otherwise specified	Nov. 05, 2012	May 31, 2012 SWH, Inc [Member]
Cash	$ 6	$ 3,561
Accounts receivable		7,233
Prepaid expense and other current assets		782
Property and equipment	18	29,787
Identifiable intangible assets		27,300
Other long-term assets		714
Accounts payable	14	(1,036)
Accrued expenses and other current liabilities		(3,464)
Long-term debt		(16,000)
Capital lease obligations		(1,622)
Deferred tax liabilities		(15,066)
Total net identifiable assets	10	32,189
Goodwill	154	36,557
Net assets acquired	$ 82	$ 68,746