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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2022
Revenue from Contract with Customer [Abstract] |
Revenue - Schedule of Disaggregation of Revenue | The following table shows the Group’s revenues disaggregated by reportable segment and by product or service type: Revenue - Schedule of Disaggregation of Revenue
Disaggregation of revenue | Typical payment | At one point in time |  | Over time |  | Total
USD'000 |  | 2022 | 2021 | 2020 |  | 2022 | 2021 | 2020 |  | 2022 | 2021 | 2020
IoT Segment |  |  |  |  |  |  |  |  |  |  |  |
Secure chips | Upon delivery | 23,198 | 16,867 | 14,317 |  | - | - | - |  | 23,198 | 16,867 | 14,317
Total IoT segment revenue | 23,198 | 16,867 | 14,317 |  | - | - | - |  | 23,198 | 16,867 | 14,317
mPKI Segment |  |  |  |  |  |  |  |  |  |  |  |
Certificates | Upon issuance | - | - | - |  | 111 | 153 | 175 |  | 111 | 153 | 175
Licenses and integration | Upon delivery | 107 | 607 | 287 |  | 149 | - | - |  | 256 | 607 | 287
SaaS, PCS and hosting | Quarterly or yearly | - | - | - |  | 249 | 19 | - |  | 249 | 19 | -
Total mPKI segment revenue | 107 | 607 | 287 |  | 509 | 172 | 175 |  | 616 | 779 | 462
Total Revenue from continuing operations | 23,305 | 17,474 | 14,604 |  | 509 | 172 | 175 |  | 23,814 | 17,646 | 14,779
Revenue - Schedule of Disaggregation of Revenue by Geographic Areas | The following table shows the Group’s revenues disaggregated by geography, based on our customers’ billing addresses: Revenue - Schedule of Disaggregation of Revenue by Geographic Areas
Net sales by region | 12 months ended December 31,
USD'000 | 2022 |  | 2021 |  | 2020
IoT Segment |  |  |  |  |
Switzerland | 751 |  | 406 |  | 278
Rest of EMEA | 6,026 |  | 3,721 |  | 4,228
North America | 13,609 |  | 10,631 |  | 8,217
Asia Pacific | 2,745 |  | 2,062 |  | 1,526
Latin America | 67 |  | 47 |  | 68
Total IoT segment revenue | 23,198 |  | 16,867 |  | 14,317
mPKI Segment |  |  |  |  |
Switzerland | 253 |  | 596 |  | 314
Rest of EMEA | 234 |  | 98 |  | 93
North America | 68 |  | 58 |  | 43
Asia Pacific | - |  | - |  | -
Latin America | 61 |  | 27 |  | 12
Total mPKI segment revenue | 616 |  | 779 |  | 462
Total Net sales from continuing operations | 23,814 |  | 17,646 |  | 14,779
*EMEA means Europe, Middle East and Africa |  |  |  |  |
Revenue - Schedule of Contract Assets, Deferred Revenue and Contract Liability | Our contract assets, deferred revenue and contract liability consist of: Revenue - Schedule of Contract Assets, Deferred Revenue and Contract Liability
| As at December 31, |  | As at December 31,
USD'000 | 2022 |  | 2021
Trade accounts receivables |  |  |
Trade accounts receivable - IoT segment | 2,269 |  | 2,655
Trade accounts receivable - mPKI segment | 194 |  | 165
Total trade accounts receivables | 2,463 |  | 2,820
Contract assets | - |  | -
Total contract assets | - |  | -
Contract liabilities - current | 105 |  | 128
Contract liabilities - noncurrent | 8 |  | 57
Total contract liabilities | 113 |  | 185
Deferred revenue |  |  |
Deferred revenue - mPKI segment | 197 |  | 192
Total deferred revenue | 197 |  | 192
Revenue from continuing operations recognized in the period from amounts included in the deferred revenue at the beginning of the year | 209 |  | 290
Revenue - Schedule of Remaining Performance Obligations |
Estimated revenue from remaining performance obligations as at December 31, 2022 (USD'000) | Total
2023 | 279
2024 | 31
Total remaining performance obligation from continuing operations | 310

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + Details
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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 https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph a -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 + Details
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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045 + Details
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