Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consisted of the following (in thousands):

	September 30, 2017			December 31, 2016
Raw materials	$	21,125		$	24,805
Work-in-process	—			12
Finished goods	4,589			5,005
	25,714			29,822
Less: inventory valuation allowance	(14,659		)	(9,801		)
Inventories, net	$	11,055		$	20,021

Charges Associated with Inventory [Table Text Block]

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Inventory, net	$	5,763	$	1,570	$	6,249	$	4,073
Adverse purchase commitments(A)	1,278		(289)		1,651		(1,403)
Net charges (B)	$	7,041	$	1,281	$	7,900	$	2,670

(A) When the Company takes possession of inventory reserved for under the adverse purchase liability (Note 7 — Commitments and Contingencies), the associated liability is transferred from other accrued liabilities to the excess and obsolete inventory valuation allowance.

(B) The increase for the three and nine months ended September 30, 2017 was the result of an inventory charge taken in the current period due to last-time buys from customers for legacy embedded product lines in conjunction with the Company's decision to change contract manufacturers in Asia.