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FORMER COLLABORATION AGREEMENT (Details) - USD ($) | Sep. 28, 2019 | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Former Collaborative Arrangement [Line Items] |  |  |
Percentage of costs to be paid by Geron after termination of Collaboration Agreement | 100.00% |  |
Amount due to Janssen Biotech, Inc. |  |  | $ 14,269,000
Former Collaborative Arrangement |  |  |
Former Collaborative Arrangement [Line Items] |  |  |
Amount due to Janssen Biotech, Inc. |  | $ 0 |
Clinical Supply Agreement |  |  |
Former Collaborative Arrangement [Line Items] |  |  |
Amount due to Janssen Biotech, Inc. |  |  | $ 14,269,000

X
- Definition Represents the percentage of costs that the company must pay after the termination of the Collaboration Agreement. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of obligations due to counterparty. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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- Definition Former collaborative arrangement. + References No definition available. + Details
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- Details
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X
- Details
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