The Business (Details) - USD ($) $ in Thousands	Apr. 26, 2022	Dec. 31, 2017
Subsequent event \| Merger Agreement \| Cend
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Expected post-merger ownership in Company by Cend stockholders (percent)	50.00%
Expected post-merger ownership in Company by Company stockholders (percent)	50.00%
Transaction expenses threshold for allocation	$ 250
CLBS16 Treatment of CMD
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Grants awarded		$ 1,900

Merger Agreement, Expected Ownership In Company, Company Stockholders, Percentage

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- Definition

Merger Agreement, Expected Ownership In Company, Counterparty Stockholders, Percentage

+ References

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Merger Agreement, Transaction Expenses Threshold For Ratio Allocation

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- 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

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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.

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