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Major Customers | 12 Months Ended
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Dec. 31, 2017
Major Customers [Abstract] |
Major Customers [Text Block] | Note 10—Major Customers The Company’s customers operate in industries that are, to a varying extent, subject to rapid technological change, vigorous competition and short product life cycles. Developments adverse to the electronics industry, the Company’s customers or their products could impact the Company’s overall credit risk. The Company extends credit based on evaluation of its customers’ financial condition and generally does not require collateral or other security from its customers and w ould incur a loss equal to the carrying value of the accounts receivable if its customer failed to perform according to the terms of the credit arrangement. Sales to the ten largest custo mers represented 46%, 43% and 47% of total sales for 2017, 2016 and 2015, respectively. Sales to our largest customers were as follows for the indicated periods:
|  |  |  | Year ended December 31,
(in thousands) |  | 2017 |  |  | 2016 |  |  | 2015
| International Business Machines Corporation | $ | 284,636 |  | $ | * |  | $ | 284,098
| Applied Materials, Inc. | $ | 248,183 |  | $ | * |  | $ | *
* amount is less than 10% of total.

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