Note 1 - General (Detail) (USD $)	3 Months Ended	1 Months Ended	3 Months Ended			3 Months Ended
	Mar. 31, 2012	Apr. 30, 2012 Fyfe Asia [Member]	Mar. 31, 2012 Fyfe Asia [Member]	Dec. 31, 2012 Fyfe Asia [Member]		Mar. 31, 2012 Fyfe LA [Member]	Jan. 31, 2012 Fyfe LA [Member]	Mar. 31, 2013 USTS [Member]
Noncontrolling Interest, Ownership Percentage by Parent								51.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners								49.00%
Number of Joint Ventures		2
Business Acquisition, Cost of Acquired Entity, Cash Paid		$ 40,700,000	$ 40,700,000	$ 40,144,000	[1]		$ 2,300,000
Line of Credit Facility, Increase, Additional Borrowings		18,000,000
Payments for Previous Acquisition						1,100,000
Proceeds from Previous Acquisition	$ 1,048,000		$ 600,000

[1] Includes the cash purchase price at closing of $40.7 million plus a final working capital adjustment of $0.6 million, which was returned to the Company during the fourth quarter of 2012.