XML 38 R25.htm IDEA: XBRL DOCUMENT
v3.21.2

Lease (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Lessee Disclosure [Abstract] |
Summary of Present Value Assumptions used in Calculating Present Value of Lease Payments | For the three and six months ended June 30, 2020, the Company’s operating lease expense was $0.2 million and $0.4 million, respectively. The present value assumptions used in calculating the present value of the lease payments were as follows:
|  |  | June 30, |  |  | December 31, |
|  |  | 2021 |  |  | 2020 |
Weighted-average remaining lease term |  |  | 1.6 years |  |  | 2.3 years |
Weighted-average discount rate |  |  |  | 4.9 | % |  |  | 5.7 | %
Schedule of Maturity of Operating Lease Liabilities | The maturity of the Company’s operating lease liabilities as of June 30, 2021 were as follows (in thousands):
Year | Undiscounted lease payments |
Remaining in 2021 | $ | 1,003 |
2022 |  | 1,719 |
2023 |  | 260 |
Total undiscounted lease payments |  | 2,982 |
Less imputed interest |  | (114 | )
Total operating lease liability | $ | 2,868 |
Schedule of Supplemental Cash Flow Information | Supplemental cash flow information related to operating leases was as follows (in thousands):
|  |  | Six Months Ended June 30, |
|  |  | 2021 |  |  | 2020 |
Cash paid for leases that were included in operating cash outflows |  |  | $ | 680 |  |  | $ | 288 |

X
- Definition Summary of present value assumptions of lease payments. + References No definition available. + Details
Name: | cbio_SummaryOfPresentValueAssumptionsOfLeasePaymentsTableTextBlock
Namespace Prefix: | cbio_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration