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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Option Activity | The following table summarizes stock option activity considering the conversion of BC Options to Gyre options to purchase shares of Gyre Common Stock upon completion of the GNI USA Contributions:
| Number of Shares Underlying Outstanding Options |  |  | Weighted-Average Exercise Price |  |  | Weighted-Average Remaining Contractual Term (Years) |  |  | Aggregate Intrinsic Value (Thousands) |
Outstanding at December 31, 2022 |  | 17,036,941 |  |  | $ | 0.75 |  |  |  | 5.1 |  |  | $ | 12,667 |
Forfeited |  | (18,936 | ) |  | $ | 0.75 |  |  |  |  |  |  |
Deemed issuance of options to former stockholders of Catalyst upon the GNI USA Contributions |  | 435,916 |  |  | $ | 20.10 |  |  |  |  |  |  |
Granted |  | 838,686 |  |  | $ | 6.93 |  |  |  |  |  |  |
Exercised |  | (12,059 | ) |  | $ | 13.86 |  |  |  |  |  |  |
Outstanding at December 31, 2023 |  | 18,280,548 |  |  | $ | 1.49 |  |  |  | 6.9 |  |  | $ | 444,197 |
Exercisable at December 31, 2023 |  | 18,262,686 |  |  | $ | 1.48 |  |  |  | 6.9 |  |  | $ | 19,433 |
Summary of Weighted Average Valuation Assumptions Used to Estimate Fair Value of Employee Stock Options Granted | The fair value of employee stock options granted was estimated using the following weighted-average assumptions:
|  | Year Ended December 31, |
|  | 2023 |
Expected volatility (%) |  | 84.30-84.30 |
Risk-free interest rate (%) |  | 3.82-4.77 |
Expected option life (in years) |  | 5.0-5.8 |
Expected dividend yield (%) |  |  | — |
Weighted average share price of the Company (USD per share) |  | $ | 6.93 |
Summary of Stock-Based Compensation Recognized | Total stock-based compensation recognized was as follows (in thousands):
|  | Year Ended December 31, |
|  | 2023 | 2022 |
Cost of revenues |  | $ | 52 |  |  | $ | 249 |
Selling and marketing |  |  | 344 |  |  |  | 1,643 |
Research and development |  |  | 481 |  |  |  | 2,301 |
General and administrative |  |  | 6,404 |  |  |  | 9,173 |
Total |  | $ | 7,281 |  |  | $ | 13,366 |

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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -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 the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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