XML 76 R6.htm IDEA: XBRL DOCUMENT
v3.20.1

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($)
Statement of Stockholders' Equity [Abstract] |
Issuance costs under reverse asset acquisition | $ 2.6

X
- Definition The amount of costs related to issuance of stock under reverse asset acquisition. + References No definition available. + Details
Name: | ocgn_CostsRelatedToIssuanceOfStockUnderReverseAssetAcquisition
Namespace Prefix: | ocgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration