Note 6 - Components Of Working Capital Accounts (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Inventory, Current [Table Text Block]

	December 31,		December 31,
	2012		2011
Inventories
Work-in-progress	$	8,223	$	5,497
Finished goods		2,358		2,119
Supplies and other		4,337		4,215
	$	14,918	$	11,831
Accrued liabilities
Accrued payroll, commission and benefits	$	222,671	$	184,493
Accrued interest		1,540		1,888
Customer advances		4,769		4,246
Contingent acquisition consideration		351		2,678
Other		83,881		78,801
	$	313,212	$	272,106