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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table provides information about disaggregated revenue based on the preceding categories for the years ended December 31, 2020 and 2019:
| Year ended December 31,
| 2020 |  | 2019
IC sales | $ | 39,205 |  |  | $ | 66,250 |
Engineering services, license and other | 1,650 |  |  | 2,505 |
Total revenues | $ | 40,855 |  |  | $ | 68,755 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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