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Contingencies (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2023 | Jun. 16, 2022 | Jul. 09, 2021 | Mar. 23, 2021 | Mar. 01, 2021
Contingencies [Line Items] |  |  |  |  |
Purchase of convertible promissory note | $ 501 |  | $ 150 | $ 150 | $ 200
QPhoton [Member] |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Cash proceeds | 375 |  |  |  |
BV Advisory [Member] |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Cash proceeds | $ 125 |  |  |  |
Cashier's check |  | $ 535,684 |  |  |
BV Notes [Member] |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |
Percentage of interest | 6.00% |  |  |  |
Matured term | 2 years |  |  |  |

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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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