Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consisted of the following (in thousands):

	September 30, 2013			December 31, 2012
Raw materials	$	20,252		$	10,420
Work-in-process	908			605
Finished goods	8,976			11,245
	30,136			22,270
Less: inventory valuation allowance	(4,378		)	(2,199		)
Inventories, net	$	25,758		$	20,071

Schedule of Inventory Deposit [Table Text Block]

	September 30, 2013			December 31, 2012
Inventory deposit (A)	$	1,226		$	11,637
Less: inventory deposit valuation allowance	(763		)	(2,801		)
Inventory deposit, net	$	463		$	8,836

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,
	2013		2012		2013		2012
Inventory, net	$	214	$	336	$	578	$	772
Inventory deposit, net	66		158		876		521
Adverse purchase commitments	271		40		403		12