Note 4 - Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30, December 31,
	2013		2012
Finished goods	$	6,133	$	2,221
Work-in-process		3,717		1,731
Raw materials and supplies		1,295		2,597
Deferred costs		601		546
Total inventories	$	11,746	$	7,095