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Commitments and Contingencies (Details Narrative) - USD ($) |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 09, 2025 | Jul. 08, 2025 | Jun. 18, 2025 | Feb. 17, 2025 | Nov. 18, 2024 | May 20, 2024 | May 13, 2024 | Mar. 26, 2021 | Jul. 18, 2016 | Jun. 30, 2025 | May 31, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Mar. 31, 2025 | Feb. 26, 2025 | Nov. 21, 2024 | Apr. 25, 2024 | Aug. 24, 2022
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of pre-funded warrants |  |  |  |  |  |  |  |  |  |  | 24,390 |  |  |  |  |  |  |  |  |
Exercise price |  |  |  |  |  |  |  |  |  |  | $ 2.46 |  |  |  |  |  | $ 2.8375 |  |  |
Fair value |  |  |  |  |  |  |  |  |  |  |  | $ 114,000 | $ (117,000) | $ (12,000) | $ (775,000) |  |  |  |  |
Issuance of common stock in settlement of vendor payable |  |  |  |  |  |  |  |  |  |  |  |  | 810,000 |  | 810,000 |  |  |  |  |
Issuance of common stock and warrants for services |  |  |  |  |  |  |  |  |  | $ 718,000 | $ 718,000 | 718,000 |  | 718,000 |  |  |  |  |  |
Research and development expense |  |  |  |  |  |  |  |  |  |  |  | 363,000 | $ 1,784,000 | 1,462,000 | 2,561,000 |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  |  |  |  |  | $ 44,000 |  |  |  |  |  |  |  |  |
Stock issuance |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,100,000 |  |  |  |  |  |
Contigency minimum required |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,500,000 |  |
2023 Sponsored Research Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate research and development expense |  |  | $ 1,900,000 |  |  | $ 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of research and development |  |  | $ 216,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development expense |  |  |  |  |  |  |  |  |  |  |  |  |  | 431,000 | 862,000 |  |  |  |  |
Unbilled and unaccrued amounts |  |  |  |  |  |  |  |  |  | 431,000 |  | 431,000 |  | 431,000 |  |  |  |  |  |
2016 Exclusive Patent License Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development expense |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 150,000 |  |  |  |  |
Proceeds from upfront amount |  |  |  |  |  |  | $ 145,000 |  | $ 200,000 |  |  |  |  |  |  |  |  |  |  |
License maintenance fees |  |  |  |  |  |  | $ 100,000 |  | 100,000 |  |  |  |  |  |  |  |  |  |  |
Royalty fee percentage |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Performance milestone payments |  |  |  |  |  |  | $ 3,100,000 |  | 3,100,000 |  |  |  |  |  |  |  |  |  |  |
One-time sales milestone payments |  |  |  |  |  |  | 1,000,000 |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |
Gross sales |  |  |  |  |  |  | 250,000,000 |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |
Sales revenue |  |  |  |  |  |  | 5,000,000 |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |
Cumulative gross sales |  |  |  |  |  |  | 500,000,000 |  | $ 500,000,000 |  |  |  |  |  |  |  |  |  |  |
Royalty expense year one |  |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty expense years two through five |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty expense year six and thereafter |  |  |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2016 Exclusive Patent License Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty fee percentage |  |  |  |  |  |  | 5.00% |  | 6.00% |  |  |  |  |  |  |  |  |  |  |
2016 Exclusive Patent License Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty fee percentage |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |
2016 Exclusive Patent License Agreement [Member] | 2017 through 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
License maintenance fees |  |  |  |  |  |  |  |  | $ 200,000 |  |  |  |  |  |  |  |  |  |  |
2016 Exclusive Patent License Agreement [Member] | Beginning in 2022 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual royalty payments |  |  |  |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |
2016 Exclusive Patent License Agreement [Member] | Beginning in 2025 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
License maintenance fees |  |  |  |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Annual royalty payments |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |
2016 Exclusive Patent License Agreement [Member] | Beginning in 2027 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual royalty payments |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |
2021 Exclusive License Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
License maintenance fees |  |  |  |  |  |  |  | $ 5,000 |  |  |  |  |  |  |  |  |  |  |  |
Performance milestone payments |  |  |  |  |  |  |  | 3,100,000 |  |  |  |  |  |  |  |  |  |  |  |
One-time sales milestone payments |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Gross sales |  |  |  |  |  |  |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Sales revenue |  |  |  |  |  |  |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Cumulative gross sales |  |  |  |  |  |  |  | 500,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Upfront license fee |  |  |  |  |  |  |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |
Royalty expense year one though four |  |  |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |
Royalty expense year five and thereafter |  |  |  |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |
2021 Exclusive License Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty fee percentage |  |  |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |
2021 Exclusive License Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty fee percentage |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |  |  |
2024 GTB-3650 Clinical Trial Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unbilled and unaccrued amounts |  |  |  |  |  |  |  |  |  | 1,900,000 |  | 1,900,000 |  | 1,900,000 |  |  |  |  |  |
Annual royalty payments |  |  |  |  | $ 2,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advisory Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash payment |  |  |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  |  |  |  | 150,000 |  | $ 150,000 |  | 150,000 |  |  |  |  |  |
Stock issuance |  |  |  |  |  |  |  |  |  | $ 537,000 |  |  |  |  |  |  |  |  |  |
Cytovance Biologics Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development expenses |  |  |  |  |  |  |  |  |  |  |  |  |  | 626,000 | 778,000 |  |  |  |  |
Cash payments |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 364,000 | $ 2,641,000 |  |  |  |  |
Issuance of pre-funded warrants |  |  |  |  |  |  |  |  |  | 326,251 |  | 326,251 |  | 326,251 |  | 326,251 |  |  |  |
Exercise price |  |  |  |  |  |  |  |  |  | $ 0.0001 |  | $ 0.0001 |  | $ 0.0001 |  | $ 0.0001 |  |  |  |
Fair value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 847,000 |  |  |  |  |  |
Issuance of common stock in settlement of vendor payable, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 127,597 |  |  |  |  |
Issuance of common stock in settlement of vendor payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 810,000 |  |  |  |  |
Issuance of common stock and warrants for services |  |  |  |  |  |  |  |  |  |  |  |  |  | 310,000 |  |  |  |  |  |
Cytovance Biologics Inc [Member] | Research and Development Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development expenses |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 626,000 | $ 778,000 |  |  |  |  |
Cytovance Biologics Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  | 5.00% |  |  |  | 9.90% | 4.90%
Z One L L C [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages paid |  |  |  | $ 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages sought value |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Coby Silberfein [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages paid | $ 100,000 | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages sought value |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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