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Note 1 - General (Detail) - Business Acquisitions - Continued Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Receivables [Member] \| Fyfe LA [Member]
Change in identifiable net assets	$ (381)
Intangibles [Member] \| Fyfe LA [Member]
Change in identifiable net assets	261
Payables [Member] \| Fyfe LA [Member]
Change in identifiable net assets	(197)
Deferred Tax Liabilities [Member] \| CRTS [Member]
Change in identifiable net assets	(1,586)
Deferred Tax Liabilities [Member] \| Fyfe LA [Member]
Change in identifiable net assets	(446)
CRTS [Member]
Total identifiable net assets	20,267
Goodwill	18,493
Change in identifiable net assets	1,586	1,600
Total identifiable net assets	18,681	18,681
Goodwill	20,079	20,079
Fyfe LA [Member]
Total identifiable net assets	2,453
Goodwill	1,716
Change in identifiable net assets	763	800
Total identifiable net assets	1,690	1,690
Goodwill	$ 2,479	$ 2,479

The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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