XML 37 R28.htm IDEA: XBRL DOCUMENT
v3.21.2

The Business (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2017 | Feb. 28, 2017
--- | --- | --- | ---
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Grants awarded | $ 8.6 |  | $ 12.2
CLBS16 Treatment of CMD |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Grants awarded |  | $ 1.9 |

X
- Definition Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants. + 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 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_GrantsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=clbs_CLBS16TreatmentOfCMDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |