Note 1 - General (Detail) - CRTS Acquisition - Initial Purchase Price Allocation (CRTS Acquisition [Member], USD $) In Thousands	Jun. 30, 2011
CRTS Acquisition [Member]
Cash	$ 361
Receivables and cost and estimated earnings in excess of billings	2,365
Inventories	21
Prepaid expenses and other current assets	175
Property, plant and equipment	1,317
Identified intangible assets	29,325
Accounts payable, accrued expenses and billings in excess of cost and estimated earnings	(2,530)
Deferred tax liabilities	(11,151)
Total identifiable net assets	19,883
Goodwill at acquisition date	18,017
Total consideration recorded	$ 37,900