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Segment Reporting and Geographic Information | 12 Months Ended
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Dec. 31, 2019
Segment Reporting [Abstract] |
Segment Reporting and Geographic Information |
16. | Segment Reporting and Geographic Information:
The Company is engaged in the design, development, manufacture and support of high-performance control metrology, defect inspection, advanced packaging lithography and data analysis systems used by microelectronics device manufacturers. The Company and its subsidiaries currently operate in a single operating segment: the design, development, manufacture and support of high-performance process control defect inspection and metrology, advanced packaging lithography and process control software systems used by microelectronics device manufacturers. Therefore, the Company has one reportable segment. The Company’s chief operating decision maker is the Chief Executive Officer (the “CEO”). The CEO allocates resources and assesses performance of the business and other activities at the reportable segment level. The following table lists the different sources of revenue:
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Systems and software |  | $ | 255,723 |  |  |  | 84 | % |  | $ | 234,241 |  |  |  | 86 | % |  | $ | 216,884 |  |  |  | 85 | %
Parts |  |  | 34,892 |  |  |  | 11 | % |  |  | 28,658 |  |  |  | 10 | % |  |  | 27,143 |  |  |  | 11 | %
Services |  |  | 15,281 |  |  |  | 5 | % |  |  | 10,885 |  |  |  | 4 | % |  |  | 11,071 |  |  |  | 4 | %
Total revenue |  | $ | 305,896 |  |  |  | 100 | % |  | $ | 273,784 |  |  |  | 100 | % |  | $ | 255,098 |  |  |  | 100 | %
The Company’s significant operations outside the United States include sales, service and application offices in Asia and Europe. For geographical revenue reporting, revenue is attributed to the geographic location to which the product is shipped. Revenue by geographic region is as follows:
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Revenue from third parties: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 46,717 |  |  | $ | 43,944 |  |  | $ | 36,104 |
Taiwan |  |  | 66,601 |  |  |  | 45,312 |  |  |  | 63,079 |
South Korea |  |  | 43,997 |  |  |  | 51,750 |  |  |  | 44,180 |
Singapore |  |  | 10,699 |  |  |  | 14,371 |  |  |  | 12,775 |
Japan |  |  | 29,816 |  |  |  | 22,361 |  |  |  | 18,943 |
Germany |  |  | 4,899 |  |  |  | 14,913 |  |  |  | 15,580 |
China |  |  | 80,017 |  |  |  | 63,243 |  |  |  | 35,925 |
Other Europe |  |  | 18,124 |  |  |  | 12,260 |  |  |  | 23,768 |
Other Asia |  |  | 5,026 |  |  |  | 5,630 |  |  |  | 4,744 |
Total revenue |  | $ | 305,896 |  |  | $ | 273,784 |  |  | $ | 255,098 |
In 2019, sales to Taiwan Semiconductor Manufacturing Co. Ltd and SK Hynix Inc. accounted for 13.4% and 13.1%, respectively, of the Company’s revenue. In 2018, sales to SK Hynix Inc. accounted for 12.2% of the Company’s revenue. No individual end user customer accounted for more than 10% of the Company’s revenue in 2017. The Company does not have purchase contracts with any of its customers that obligate them to continue to purchase its products. At December 31, 2019, one customer, Taiwan Semiconductor Manufacturing Co. Ltd., accounted for more than 10% of net accounts receivable. At December 31, 2018, no individual customer accounted for more than 10% of net accounts receivable. Substantially all of the Company’s long-lived assets are located within the United States of America.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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