XML 20 R6.htm IDEA: XBRL DOCUMENT
v3.23.1

Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) (Parenthetical) - $ / shares |  |  | 3 Months Ended
--- | --- | --- | ---
Mar. 08, 2023 | Jan. 12, 2023 | Mar. 31, 2023
Cash dividends paid per common share |  | $ 0.24 | $ 0.24
Contingent Value Rights Agreement |  |  |
Cash dividends paid per common share | $ 0.01 |  | $ 0.01

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=cbio_ContingentValueRightsAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |