Note 19 - Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Text Block Supplement [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

	2013
Derivative designated as hedging instrument	Balance sheet location	Fair Value
	Other assets
Interest rate swap asset	(non-current)	$	148
	Other liabilities
Interest rate swap liability	(non-current)	$	5,344

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Carrying value at		Fair value measurements
	December 31, 2013		Level 1		Level 2		Level 3
Interest rate swap asset	$	148	$	-	$	148	$	-
Interest rate swap liability		5,344		-		5,344		-
Contingent consideration liability		8,740		-		-		8,740

Change In Fair Value Of Contingent Consideration Liability [Table Text Block]

Balance, December 31, 2012	$	13,000
Amounts recognized on acquisitions		9,556
Fair value adjustments (note 5)		1,801
Resolved and settled in cash		(1,994)
Resolved and recorded in "Accrued liabilities"		(13,727)
Other		104
Balance, December 31, 2013	$	8,740
Less: current portion	$	122
Non-current portion	$	8,618

Fair Value, by Balance Sheet Grouping [Table Text Block]

	2013				2012
	Carrying amount		Fair value		Carrying amount		Fair value
Other receivables	$	7,455	$	7,455	$	6,328	$	6,328
Long-term debt		372,794		386,952		337,205		347,319
Convertible debentures		-		-		77,000		86,048