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Commitments and Contingencies - Additional Information (Details) - USD ($) |  |  | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2022 | Jan. 08, 2021 | Sep. 30, 2023 | Dec. 31, 2022 | Jul. 01, 2023 | Mar. 31, 2023
Recorded Unconditional Purchase Obligation [Line Items] |  |  |  |  |  |
Operating leases expiry year |  |  | 2025 |  |  |
Operating lease right-of-use assets |  |  | $ 232,000 | $ 248,000 |  |
Lorem Vascular Pte Ltd [Member] |  |  |  |  |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |  |  |  |  |
Litigation settlement, expense |  |  |  | $ 1,400,000 |  |
Pre-clinical Research Study Obligations [Member] |  |  |  |  |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |  |  |  |  |
Contractual obligation |  |  | $ 0 |  |  |
Charlottesville [Member] |  |  |  |  |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |  |  |  |  |
Lessee, operating lease, term of contract |  |  | 12 months |  |  |
Lessee, operating lease, existence of option to extend [true false] |  |  | true |  |  |
Lessee, operating lease, option to extend |  |  | The Charlottesville Lease has a term of 12 months and the Company has the ability to renew for three additional one-year periods. |  |  |
Lessee, operating lease, renewal term |  |  | 1 year |  |  |
Operating leases, expiration date |  |  | Mar. 31, 2024 |  |  |
Lease liability |  |  |  |  |  | $ 80,000
Operating lease discount rate |  |  |  |  | 13.47% | 12.76%
Operating lease right-of-use assets |  |  |  |  | $ 19,000 |
Medidata Solutions, Inc. [Member] | Services Agreement [Member] |  |  |  |  |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |  |  |  |  |
Sales order term | 6 months |  |  |  |  |
Piramal Pharma Solutions, Inc. [Member] |  |  |  |  |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |  |  |  |  |
Master service agreement date |  | Jan. 08, 2021 |  |  |  |
Master services agreement initial term |  | 5 years |  |  |  |
Master services agreement terms, Description |  |  | The MSA has a term of five years and will automatically renew for successive one-year terms unless either party notifies the other no later than six months prior to the original term or any additional terms of its intention to not renew the MSA. The Company has the right to terminate the MSA for convenience upon thirty days’ prior written notice. |  |  |

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