Note 2 - Discontinued Operations (Detail) - Assets and liabilities of the discontinued operation (USD $) In Thousands, unless otherwise specified	Jul. 30, 2011
Assets:
Total current assets	$ 25,716
Total non-current assets	6,290
Liabilities:
Total current liabilities	13,008
Total non-current liabilities	1,950
Villa Sistemi Medicali S.p.A. [Member]
Assets:
Cash (a)	3,406
Accounts receivable	14,194
Inventories, net	9,022
Prepaid and other current assets	2,500
Total current assets	29,122
Property, plant and equipment, net (a)	3,548
Goodwill	4,526
Deferred tax assets	1,158
Other assets	25
Total non-current assets	9,257
Liabilities:
Current portion of long-term debt	111
Accounts payable	6,395
Accrued expenses	6,502
Total current liabilities	13,008
Deferred income tax liabilities (a)	580
Statutory liability for severance pay	1,950
Total non-current liabilities	2,530
Shareholders’ Equity:
Accumulated other comprehensive income (a)	$ 2,596