XML 59 R39.htm IDEA: XBRL DOCUMENT
v3.21.2

Subsequent Events (Details Narrative) - $ / shares | 1 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 26, 2021 | Jun. 30, 2021
Issuance of common stock upon closing of follow-on offering, net shares | 1,971,100 |
July 1, 2021 [Member] |  |
Offering price for public offering |  | $ 25.00
Issuance of common stock upon closing of follow-on offering, net shares |  | 2,250,000

X
- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not + References No definition available. + Details
Name: | celc_IssuanceOfCommonStockUponClosingOfFollowOnOfferingNetShares
Namespace Prefix: | celc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_AwardDateAxis=celc_JulyOneTwoThousandTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |