Summary of Significant Accounting Policies (Details Narrative) - USD ($) |
9 Months Ended | |||||
|---|---|---|---|---|---|---|
Sep. 30, 2024 |
Feb. 05, 2024 |
Feb. 02, 2024 |
Dec. 31, 2023 |
Sep. 30, 2023 |
Dec. 31, 2022 |
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| Property, Plant and Equipment [Line Items] | ||||||
| Cash equivalents | $ 6,200,000 | $ 443,000 | ||||
| Short-term investments | 12,893,000 | |||||
| Warrant liability | $ 182,000 | $ 1,052,000 | $ 1,053,000 | $ 18,000 | ||
| Revers stock split ratio | On February 2, 2024, the Company effectuated a reverse stock-split of its common stock, par value $0.001 per share, at a ratio of 1 for 30. The Company’s common stock began trading on a reverse stock-split-adjusted basis on The Nasdaq Capital Market on February 5, 2024 under the existing trading symbol “GTBP.” | |||||
| Common stock, shares outstanding | 2,234,328 | 1,380,633 | ||||
| Common stock, shares authorized | 250,000,000 | 250,000,000 | ||||
| Maximum [Member] | ||||||
| Property, Plant and Equipment [Line Items] | ||||||
| Cash, FDIC insured amount | $ 250,000 | |||||
| Common Stock [Member] | ||||||
| Property, Plant and Equipment [Line Items] | ||||||
| Common stock, shares outstanding | 1,380,633 | 41,419,000 |
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- Definition Warrant liability current. No definition available.
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- Definition Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. No definition available.
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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- Details
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