XML 57 R46.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Interest and Other Income (Expense), Net - Detail of Interest and Other Income (Expense), Net (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Other Income And Expenses [Abstract] |  |  |  |
Interest income | $ 283 | $ 7 | $ 370 | $ 35
Gain from extinguishment of liability |  |  | 180 |
Other | (1) | (16) | (1) | (58)
Total interest and other income (expense), net | $ 282 | $ (9) | $ 549 | $ (23)

X
- Definition Gain (loss) from extinguishment of liability. + References No definition available. + Details
Name: | cbio_GainLossFromExtinguishmentOfLiability
Namespace Prefix: | cbio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Interest and other income (expense), net. + References No definition available. + Details
Name: | cbio_InterestAndOtherIncomeExpenseNet
Namespace Prefix: | cbio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net amount of nonoperating interest income (expense). + References No definition available. + Details
Name: | us-gaap_InterestIncomeExpenseNonoperatingNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration