Financial Liabilities	12 Months Ended
Dec. 31, 2025
Financial Liabilities [Abstract]
Financial Liabilities	Note 9 – Financial Liabilities Secured Promissory Note On August 6, 2024, the Company entered into a Securities Purchase Agreement (the “Secured SPA”) with Streeterville Capital, LLC (“Streeterville”), pursuant to which the Company issued and sold to Streeterville a Secured Convertible Promissory Note (the “Streeterville Convertible Note”) in the original principal amount of $8.25 million. The principal amount includes an original issue discount of $750 thousand. Streeterville paid $7.5 million in cash for the Streeterville Convertible Note. The Streeterville Convertible Note accrues interest at a rate of 10% per annum and has a maturity date of February 6, 2026, unless earlier prepaid, redeemed or accelerated in accordance with its terms prior to such date. The Company intends to use the net proceeds from the sale of the Streeterville Convertible Note primarily for general working capital purposes, including for (i) operations as the Company increases its sales and marketing efforts; (ii) capital expenditures in outfitting its chip fabrication facility in Tempe, AZ; and (iii) for any other planned or unplanned expenditures that might arise in support of the Company’s business plan. Ascendiant Capital Markets, LLC served as the placement agent on the transaction and received a fee of $450 thousand, and the Company recognized $55 thousand in other issuance costs, primarily for legal services. The Company repaid the Streeterville Convertible Note on November 18, 2024. As of December 31, 2025, there was no outstanding balance and the Company has no further obligations with respect to the Secured SPA or Streeterville Convertible Note. Unsecured Promissory Note On September 23, 2022, the Company entered into a note purchase agreement (the “Unsecured NPA”) with Streeterville Capital, LLC (“Streeterville”), pursuant to which Streeterville purchased an unsecured promissory note (the “Note” or the “Streeterville Unsecured Note”) in the initial principal amount of $8.25 million. The Streeterville Unsecured Note bore interest at 10% per annum. The maturity date of the Note was defined as 18 months from the date of its issuance (the “Maturity Date”). The Streeterville Unsecured Note carried an original issue discount of $750 thousand, which was included in the principal balance of the Note. If the Company had elected to prepay the Streeterville Unsecured Note prior to the Maturity Date, it would have paid to Streeterville 120% of the portion of the Outstanding Balance the Company would have elected to prepay. There was an outstanding balance of $1.9 million as of December 31, 2023. As of December 31, 2024, Streeterville had redeemed the full principal amount of the Unsecured NPA, there was no outstanding balance and the Company has no further obligations with respect to the Unsecured NPA or Streeterville Unsecured Note. Note Purchase Agreement – the Company and Wholly-Owned Subsidiary QPhoton On February 18, 2022, the Company entered into a Note Purchase Agreement (the “QCi Note Purchase Agreement”) with QPhoton, pursuant to which the Company agreed to loan money to QPhoton using two unsecured promissory notes (each, a “QCi Note”), each in the principal amount of $1.25 million, subject to the terms and conditions of the QCi Note Purchase Agreement. Also, on February 18, 2022, pursuant to the terms of the QCi Note Purchase Agreement, the Company loaned the principal amount of $1.25 million to QPhoton. On April 1, 2022, pursuant to the terms of the QCi Note Purchase Agreement, the Company loaned the principal amount of $1.25 million to QPhoton, for a total loan under the two QCi Notes of $2.5 million. The QCi Note Purchase Agreement contains customary representations and warranties by QPhoton and the Company, as well as a “most favored nations” provision for the benefit of the Company. The QCi Notes issued under the QCi Note Purchase Agreement, including the QCi Notes issued on February 18, 2022 and April 1, 2022, provide that the indebtedness evidenced by the applicable QCi Note bears simple interest at the rate of 6% per annum (or 15% per annum during the occurrence of an event of default, as defined in the QCi Notes), and becomes due and payable in full on the earlier of (i) March 1, 2023, subject to extension by one year at the option of QPhoton, (ii) a change of control (as defined in the QCi Notes) of QPhoton or (iii) an event of default. As a result of the merger, the QCi Note and accrued interest is eliminated through consolidation. However, the two QCi Notes were not forgiven or converted to equity, remain outstanding under the terms and conditions of the QCi Note Purchase Agreement, and are eliminated in consolidation for presentation purposes in these consolidated financial statements.

Financial Liabilities

12 Months Ended

Dec. 31, 2025

Note 9 – Financial Liabilities

Secured Promissory Note

On August 6, 2024, the Company entered into a Securities Purchase Agreement (the “Secured SPA”) with Streeterville Capital, LLC (“Streeterville”), pursuant to which the Company issued and sold to Streeterville a Secured Convertible Promissory Note (the “Streeterville Convertible Note”) in the original principal amount of $8.25 million. The principal amount includes an original issue discount of $750 thousand. Streeterville paid $7.5 million in cash for the Streeterville Convertible Note. The Streeterville Convertible Note accrues interest at a rate of 10% per annum and has a maturity date of February 6, 2026, unless earlier prepaid, redeemed or accelerated in accordance with its terms prior to such date. The Company intends to use the net proceeds from the sale of the Streeterville Convertible Note primarily for general working capital purposes, including for (i) operations as the Company increases its sales and marketing efforts; (ii) capital expenditures in outfitting its chip fabrication facility in Tempe, AZ; and (iii) for any other planned or unplanned expenditures that might arise in support of the Company’s business plan. Ascendiant Capital Markets, LLC served as the placement agent on the transaction and received a fee of $450 thousand, and the Company recognized $55 thousand in other issuance costs, primarily for legal services. The Company repaid the Streeterville Convertible Note on November 18, 2024. As of December 31, 2025, there was no outstanding balance and the Company has no further obligations with respect to the Secured SPA or Streeterville Convertible Note.

Unsecured Promissory Note

On September 23, 2022, the Company entered into a note purchase agreement (the “Unsecured NPA”) with Streeterville Capital, LLC (“Streeterville”), pursuant to which Streeterville purchased an unsecured promissory note (the “Note” or the “Streeterville Unsecured Note”) in the initial principal amount of $8.25 million. The Streeterville Unsecured Note bore interest at 10% per annum. The maturity date of the Note was defined as 18 months from the date of its issuance (the “Maturity Date”). The Streeterville Unsecured Note carried an original issue discount of $750 thousand, which was included in the principal balance of the Note. If the Company had elected to prepay the Streeterville Unsecured Note prior to the Maturity Date, it would have paid to Streeterville 120% of the portion of the Outstanding Balance the Company would have elected to prepay. There was an outstanding balance of $1.9 million as of December 31, 2023. As of December 31, 2024, Streeterville had redeemed the full principal amount of the Unsecured NPA, there was no outstanding balance and the Company has no further obligations with respect to the Unsecured NPA or Streeterville Unsecured Note.

Note Purchase Agreement – the Company and Wholly-Owned Subsidiary QPhoton

On February 18, 2022, the Company entered into a Note Purchase Agreement (the “QCi Note Purchase Agreement”) with QPhoton, pursuant to which the Company agreed to loan money to QPhoton using two unsecured promissory notes (each, a “QCi Note”), each in the principal amount of $1.25 million, subject to the terms and conditions of the QCi Note Purchase Agreement. Also, on February 18, 2022, pursuant to the terms of the QCi Note Purchase Agreement, the Company loaned the principal amount of $1.25 million to QPhoton. On April 1, 2022, pursuant to the terms of the QCi Note Purchase Agreement, the Company loaned the principal amount of $1.25 million to QPhoton, for a total loan under the two QCi Notes of $2.5 million.

The QCi Note Purchase Agreement contains customary representations and warranties by QPhoton and the Company, as well as a “most favored nations” provision for the benefit of the Company. The QCi Notes issued under the QCi Note Purchase Agreement, including the QCi Notes issued on February 18, 2022 and April 1, 2022, provide that the indebtedness evidenced by the applicable QCi Note bears simple interest at the rate of 6% per annum (or 15% per annum during the occurrence of an event of default, as defined in the QCi Notes), and becomes due and payable in full on the earlier of (i) March 1, 2023, subject to extension by one year at the option of QPhoton, (ii) a change of control (as defined in the QCi Notes) of QPhoton or (iii) an event of default. As a result of the merger, the QCi Note and accrued interest is eliminated through consolidation. However, the two QCi Notes were not forgiven or converted to equity, remain outstanding under the terms and conditions of the QCi Note Purchase Agreement, and are eliminated in consolidation for presentation purposes in these consolidated financial statements.