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Merger and Financing - Merger with Histogenics (Details) - USD ($) |  |  |  |  | 1 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2019 | Oct. 04, 2019 | Sep. 27, 2019 | May 08, 2019 | Jan. 31, 2018 | Sep. 26, 2019 | Dec. 31, 2018
Merger and Financing |  |  |  |  |  |  |
Cash and cash equivalents | $ 7,444,052 |  |  |  |  |  | $ 1,628,136
Accounts payable | (1,895,613) |  |  |  |  |  | $ (3,277,525)
Asset purchase agreement, cash consideration | 8,500,000 |  |  |  |  |  |
Histogenics |  |  |  |  |  |  |
Merger and Financing |  |  |  |  |  |  |
Acquisition cost incurred |  |  | $ 4,900,000 |  |  |  |
Acquisition cost paid in cash |  |  | 2,600,000 |  |  |  |
Acquisition cost paid with equity |  |  | 2,300,000 |  |  |  |
Cash and cash equivalents |  |  | 302,000 |  |  |  |
Asset held for sale |  |  | 7,000,000 |  |  |  |
Accounts payable |  |  | (1,106,000) |  |  |  |
Net assets acquired |  |  | $ 6,196,000 |  |  |  |
Asset purchase agreement, cash consideration |  |  |  | $ 6,500,000 |  |  |
Percentage of purchase price increase per month |  | 10.00% |  |  |  |  |
Histogenics | Level 2 |  |  |  |  |  |  |
Merger and Financing |  |  |  |  |  |  |
Quoted price of assets held for sale of NeoCart | 7,000,000.0 |  |  |  |  |  |
Neocart | Level 2 |  |  |  |  |  |  |
Merger and Financing |  |  |  |  |  |  |
Quoted price of assets held for sale of NeoCart | $ 7,000,000.0 |  |  |  |  |  |
Former Ocugen equity holders | Histogenics |  |  |  |  |  |  |
Merger and Financing |  |  |  |  |  |  |
Ownership (as a percent) |  |  | 84.25% |  |  |  |
Stockholders of Histogenics immediately before the Merger | Histogenics |  |  |  |  |  |  |
Merger and Financing |  |  |  |  |  |  |
Ownership (as a percent) |  |  |  |  |  | 15.75% |
Histogenics |  |  |  |  |  |  |
Merger and Financing |  |  |  |  |  |  |
Upfront cash payment received for license granted to MEDINET |  |  |  |  | $ 10,000,000.0 |  |

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