XML 50 R39.htm IDEA: XBRL DOCUMENT v3.20.2

Subsequent Events (Details) $ in Millions	Oct. 26, 2020 USD ($)
Subsequent Events
Subsequent Events
Expense for early termination of contract related to the development of edasalonexent	$ 0.5

X

- Definition

Represents the information pertaining to expense related to early termination of contracts.

+ References

No definition available.

+ Details

Name:	catb_ExpenseRelatedToEarlyTerminationOfContracts
Namespace Prefix:	catb_
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:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: