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Stockholders’ equity (Tables) | 6 Months Ended
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Jun. 30, 2024
Stockholders’ Equity (Deficit) [Abstract] |
Schedule of Summarizes the Status of Our Outstanding and Exercisable Warrants | As of June 30, 2024, the following table summarizes the status of our outstanding and exercisable warrants and related transactions since December 31, 2023 (in thousands, except weighted average exercise price and weighted average remaining contractual life data):
|  | Warrants Outstanding and exercisable |
|  | Warrants |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |  |  | Weighted Average Remaining Contractual Life (in Years) |
As of January 1, 2024 |  |  | 99 |  |  | $ | 66.61 |  |  | $ | — |  |  |  | 6.5 |
Expired |  |  | (2 | ) |  |  | 281.50 |  |  |  | — |  |  |  | — |
As of June 30, 2024 |  |  | 97 |  |  | $ | 63.33 |  |  | $ | — |  |  |  | 6.1 |
Schedule of Summarizes the Status of Our Outstanding and Exercisable Options and Related Transactions | The following table summarizes the status of our outstanding and exercisable options and related transactions since December 31, 2023 (in thousands, except weighted average exercise price and weighted average remaining contractual life data):
|  | Outstanding |  |  | Exercisable |
|  | Options Awards |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |  |  | Weighted Average Remaining Contractual Life (in Years) |  |  | Options Awards |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |  |  | Weighted Average Remaining Contractual Life (in Years) |
As of January 1, 2024 |  |  | 72 |  |  | $ | 258.55 |  |  |  | — |  |  |  | 3.0 |  |  |  | 73 |  |  | $ | 258.46 |  |  |  | — |  |  |  | 3.0 |
Expired |  |  | (9 | ) |  |  | 217.57 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
As of June 30, 2024 |  |  | 63 |  |  | $ | 264.14 |  |  |  | — |  |  |  | 2.9 |  |  |  | 64 |  |  | $ | 264.02 |  |  |  | — |  |  |  | 2.9 |
Schedule of the Status of our Unvested and Related Transactions | The following table summarizes the status of our RSUs and related transactions since December 31, 2023 (in thousands, except weighted average grant date fair value):
|  | RSUs awards outstanding |
|  | RSUs |  |  | Weighted Average Grant Date Fair Value |  |  | Aggregate Intrinsic Value |
As of January 1, 2024 |  |  | 40 |  |  | $ | 9.67 |  |  |  | 89.60 |
Vested |  |  | (2 | ) |  |  | 23.42 |  |  |  | — |
As of June 30, 2024 |  |  | 38 |  |  | $ | 9.01 |  |  | $ | 60.73 |
|  | Outstanding |
|  | PSUs (1) |  |  | Weighted Average Grant Date Fair Value |  |  | Aggregate Intrinsic Value |
Unvested, as of January 1, 2024 |  |  | 14 |  |  | $ | 50.87 |  |  | $ | 32.57 |
Vested |  |  | (7 | ) |  |  | 60.50 |  |  |  | 16.16 |
Cancelled/Forfeited |  |  | (2 | ) |  |  | 58.68 |  |  |  | — |
Unvested, as of June 30, 2024 |  |  | 5 |  |  | $ | 34.50 |  |  | $ | 8.37 |
| (1) | The number of PSUs represents the base number of PSUs that may vest.

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-1 + Details
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- Definition Tabular disclosure of the change in restricted stock units (RSUs). + References No definition available. + Details
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