XML 60 R48.htm IDEA: XBRL DOCUMENT
v3.21.2

Subsequent Events (Details) $ in Thousands | 6 Months Ended | 62 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) | Feb. 28, 2027 USD ($) ft²
Subsequent Event [Line Items] |  |
Monthly rent payments | $ 80 |
Annual rent increase, percentage | 3.00% |
Forecast |  |
Subsequent Event [Line Items] |  |
Lease not yet commenced, area | ft² |  | 12,300
Monthly rent payments |  | $ 55
Annual rent increase, percentage |  | 3.00%

X
- Definition Lessee, Operating Lease, Annual Rent Increase, Percentage + References No definition available. + Details
Name: | crdf_LesseeOperatingLeaseAnnualRentIncreasePercentage
Namespace Prefix: | crdf_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessee, Operating Lease, Lease Not Yet Commenced, Area Of Lease + References No definition available. + Details
Name: | crdf_LesseeOperatingLeaseLeaseNotYetCommencedAreaOfLease
Namespace Prefix: | crdf_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessee, Operating Lease, Monthly Rent Payment + References No definition available. + Details
Name: | crdf_LesseeOperatingLeaseMonthlyRentPayment
Namespace Prefix: | crdf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |