Note 1 - Description of Business (Details) - Business Acquisitions - Contributions to Revenues and Profits Since Acquisitions (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Brinderson LP [Member]
Note 1 - General - Business Acquisitions - Contributions to Revenues and Profits Since Acquisitions [Line Items]
Revenues	$ 108,233		$ 0
Net income	4,838	[1]	0	[1]
Fyfe LA And Fyfe Asia [Member]
Note 1 - General - Business Acquisitions - Contributions to Revenues and Profits Since Acquisitions [Line Items]
Revenues	16,986		12,894
Net income	$ 1,091	[1]	$ 781	[1]

[1] Net income includes an allocation of corporate expenses that is not necessarily an indication of the entity’s operations on a stand alone basis.