Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consisted of the following (in thousands):

	September 30, 2012			December 31, 2011
Raw materials	$	11,171		$	10,925
Work-in-process	1,066			599
Finished goods	10,891			20,127
	23,128			31,651
Less: inventory valuation allowance	(2,635		)	(4,640		)
Inventories, net	$	20,493		$	27,011

Schedule of Inventory Deposit [Table Text Block]

	September 30, 2012			December 31, 2011
Inventory deposit (A)	$	11,929		$	11,578
Less: inventory deposit valuation allowance	(2,455		)	(3,135		)
Inventory deposit, net	$	9,474		$	8,443

Charges Associated with Inventory [Table Text Block]

The Company recorded the following charges associated with the valuation of inventory, inventory deposit and the adverse purchase commitment liability (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
Inventory, net	$	384	$	815	$	1,415	$	1,637
Inventory deposit, net	158		394		521		802
Adverse purchase commitments	(84)		28		(112)		825