Note 9 - Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	Canadian			Australian			U.S.			Total
Balance as of December 31, 2012	$	51,594		$	226,906		$	16,632		$	295,132
Foreign currency translation		(2,109	)		(31,967	)		--			(34,076	)
Balance as of December 31, 2013		49,485			194,939			16,632			261,056
Foreign currency translation		(4,225	)		(8,842	)		--			(13,067	)
Goodwill impairment		--			(186,097	)		(16,632	)		(202,729	)
Balance as of December 31, 2014	$	45,260		$	--		$	--		$	45,260

Schedule of Indefinite-Lived Intangible Assets [Table Text Block]

	AS OF DECEMBER 31,
	2014					2013
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortizable Intangible Assets
Customer relationships	$	47,611	$	(21,740	)	$	50,980	$	(14,875	)
Contracts / agreements		40,120		(16,048	)		43,836		(13,151	)
Noncompete agreements		809		(680	)		817		(539	)
Total amortizable intangible assets	$	88,540	$	(38,468	)	$	95,633	$	(28,565	)
Indefinite-Lived Intangible Assets Not Subject to Amortization
Brand names	$	--	$	--		$	8,570	$	--
Water rights		777		--			--	$	--
Licenses		33		--			37		--
Total indefinite-lived intangible assets		810		--			8,607		--
Total intangible assets	$	89,350	$	(38,468	)	$	104,240	$	(28,565	)