XML 53 R43.htm IDEA: XBRL DOCUMENT v3.20.2

Subsequent Events - Additional Information (Details) - USD ($) $ in Millions	Nov. 04, 2020	Sep. 30, 2020
Subsequent Event [Line Items]
Total shares reserved		4,195,291
Subsequent Event | At-The-Market | Maximum
Subsequent Event [Line Items]
Securities that may be offered and sold	$ 350
Common stock that may be offered and sold, value	$ 100
Total shares reserved	1,000,000

X

- Definition

Common stock capital value reserved for future issuance.

+ References

No definition available.

+ Details

Name:	rapt_CommonStockCapitalValueReservedForFutureIssuance
Namespace Prefix:	rapt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Securities reserved for future issuance.

+ References

No definition available.

+ Details

Name:	rapt_SecuritiesReservedForFutureIssuance
Namespace Prefix:	rapt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=rapt_AtTheMarketMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: