Equity (Details Narrative) $ / shares in Units, $ in Thousands											12 Months Ended
	Jan. 24, 2025 USD ($) $ / shares shares	Mar. 13, 2024 USD ($) Integer $ / shares shares	Feb. 16, 2024 USD ($)	Jan. 12, 2024 USD ($) $ / shares shares	Jul. 31, 2023 USD ($) $ / shares shares	May 18, 2023 USD ($) $ / shares shares	Apr. 10, 2023 USD ($) $ / shares shares	Mar. 20, 2023 USD ($) $ / shares shares	Mar. 14, 2023 $ / shares	Sep. 08, 2022 USD ($)	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Nov. 25, 2024 $ / shares	Mar. 12, 2024 $ / shares	Feb. 22, 2024 $ / shares	Sep. 14, 2023 $ / shares shares	May 18, 2022 $ / shares
Class of Stock [Line Items]
Common stock, shares authorized											730,000,000	730,000,000
Common stock, par value | $ / shares											$ 0.0001	$ 0.0001
Common stock shares issued											22,546,671	19,378,192
Common stock shares outstanding											22,546,671	19,378,192
Common stock, voting rights											common stock are entitled to one vote per share
Preferred stock, shares authorized											10,000,000	10,000,000
Preferred stock, shares outstanding											0	0
Purchase and sale of shares					857,142
Aggregate purchase price | $											$ 6,000	$ 12,750
Exercise price | $ / shares		$ 8.10			$ 7.50		$ 7.50						$ 2.85
Term (years)													5 years
Reduced exercise price | $ / shares					$ 3.50
Fair value of modified warrant, incremental expense | $												402
Proceeds from the exercise of warrants | $					$ 3,000		$ 6,000
Warrant term					5 years		5 years
Debt instrument payment | $					$ 2,740		$ 5,505
Fair value of the warrant liability | $					2,645		4,280
Additional warrant liability | $							$ 1,389
Warrant liabilities | $					$ 511						$ 3,264	4,359
Daily interest accruing rate				18.00%
Warrants to purchase aggregate shares											11,221,557
C.V. Starr Co Inc [Member]
Class of Stock [Line Items]
Exercise price | $ / shares		$ 5.895
Number of warrants repriced		50,000
January 2024 PIPE Warrants [Member]
Class of Stock [Line Items]
Exercise price | $ / shares				$ 67.70
Proceeds from private placements | $				$ 909
Number of warrants repriced				652,981
Fair value of warrant modification | $				$ 524
2024 Warrant Repricing [Member]
Class of Stock [Line Items]
Exercise price | $ / shares				$ 2.4898
Number of warrants repriced				652,981
Warrant expiration date				Mar. 16, 2025
Chief Administrative Officer [Member] | Amended Employment Agreement [Member]
Class of Stock [Line Items]
Base salary | $			$ 500
Private Placement [Member] | January 2024 PIPE Warrants [Member]
Class of Stock [Line Items]
Purchase price of per share | $ / shares				$ 1.25
Aggregate purchase price | $				$ 6,000
Minimum [Member]
Class of Stock [Line Items]
Exercise price | $ / shares					$ 3.50
Minimum [Member] | Investor Rights Agreement [Member] | Dragasac Limited [Member]
Class of Stock [Line Items]
Percentage of partial liquidating damages				1.00%
Minimum [Member] | 2024 Warrant Repricing [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Exercise price | $ / shares	$ 2.07
Minimum [Member] | Chief Administrative Officer [Member] | Amended Employment Agreement [Member]
Class of Stock [Line Items]
Base salary | $			$ 425
Maximum [Member]
Class of Stock [Line Items]
Warrants to purchase aggregate shares					892,856
Purchase price of per share | $ / shares								$ 8.34
Maximum [Member] | Investor Rights Agreement [Member] | Dragasac Limited [Member]
Class of Stock [Line Items]
Percentage of partial liquidating damages				6.00%
Maximum [Member] | 2024 Warrant Repricing [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Exercise price | $ / shares	$ 2.4898
Preferred Stock [Member] | Minimum [Member] | Legacy Celularity [Member]
Class of Stock [Line Items]
Percentage of shares required for voting											50.00%
At the Market Sales Agreement [Member]
Class of Stock [Line Items]
Sales agents commission rate											3.00%
Gross proceeds from issuance of common stock | $												141
Net proceeds from sale of common stock | $												$ 136
March 2023 Private Investment in Public Equity Warrants [Member]
Class of Stock [Line Items]
Aggregate purchase price | $								$ 9,000
Exercise price | $ / shares											$ 30.00
Warrants and rights outstanding, expire date											Mar. 27, 2028
Term (years)											5 years
Adjusted advance notice period								61 days
Premium paid for private placement purchase | $								$ 1,650
Reduced exercise price | $ / shares									$ 10.00
Warrants to purchase aggregate shares											208,485
March 2023 Private Investment in Public Equity Warrants [Member] | Private Placement [Member] | Chairman and Chief Executive Officer [Member]
Class of Stock [Line Items]
Aggregate purchase price | $								$ 2,000
May 2022 Private Investment in Public Equity Warrants [Member]
Class of Stock [Line Items]
Exercise price | $ / shares											$ 3.50
Warrants and rights outstanding, expire date											Oct. 10, 2028
Warrants to purchase aggregate shares											405,405
May 2022 Private Investment in Public Equity Warrant [Member]
Class of Stock [Line Items]
Amended termination date description							date to five and one-half years following the closing of the offering
May 2023 Private Investment in Public Equity Warrants [Member]
Class of Stock [Line Items]
Aggregate purchase price | $						$ 3,750
Exercise price | $ / shares						$ 10.00					$ 10.00
Warrants and rights outstanding, expire date						May 17, 2028					May 17, 2028
Adjusted advance notice period						61 days
Warrants to purchase aggregate shares											581,394
Common Stock [Member]
Class of Stock [Line Items]
Purchase and sale of shares											2,141,098
Common Stock [Member] | Warrant [Member] | RWI Forbearance Agreement [Member]
Class of Stock [Line Items]
Exercise price | $ / shares		$ 5.895
Warrants and rights outstanding, expire date		Jun. 20, 2028
Common Stock [Member] | Warrant [Member] | March 2023 Loan Warrants [Member] | Loan Agreement [Member] | C.V. Starr Co Inc [Member]
Class of Stock [Line Items]
Exercise price | $ / shares		$ 8.10
Common Stock [Member] | Warrant [Member] | March 2023 Loan Warrants [Member] | Forbearance Agreement [Member] | Loan Agreement [Member] | C.V. Starr Co Inc [Member]
Class of Stock [Line Items]
Exercise price | $ / shares		$ 5.895												$ 7.10
Warrant expiration date		Mar. 17, 2028
Warrants to purchase aggregate shares		75,000
Common Stock [Member] | Warrant [Member] | June 2023 Loan Warrants [Member] | Forbearance Agreement [Member] | Loan Agreement [Member] | C.V. Starr Co Inc [Member]
Class of Stock [Line Items]
Exercise price | $ / shares		$ 5.895
Warrant expiration date		Jun. 20, 2028
Warrants to purchase aggregate shares		50,000
Common Stock [Member] | Maximum [Member] | Warrant [Member] | RWI Forbearance Agreement [Member]
Class of Stock [Line Items]
Number of warrants repriced		300,000
Equity Purchase Agreement [Member] | Yorkville [Member]
Class of Stock [Line Items]
Sale of stock, maximum average daily traded amount (in percent)		100.00%
Sale of stock, maximum average daily traded amount, threshold consecutive trading days | Days | Integer		5
Sale of stock, percentage based on volume weighted average price		97.00%
Cash due diligence fee		25,000
Commitment fee in shares		16,964
Payments of stock issuance costs | $		$ 125
Equity Purchase Agreement [Member] | Yorkville [Member] | Convertible Promissory Notes [Member]
Class of Stock [Line Items]
Line of credit percentage		18.00%
Common Class A [Member]
Class of Stock [Line Items]
Common stock, shares authorized											730,000,000	730,000,000
Common stock, par value | $ / shares											$ 0.0001	$ 0.0001			$ 0.0001
Common stock shares issued											22,546,671	19,378,192
Common stock shares outstanding											22,546,671	19,378,192
Purchase and sale of shares							923,076
Warrants to purchase aggregate shares					857,142		923,076				11,221,557
Purchase price of per share | $ / shares					$ 3.50		$ 6.50
Common Class A [Member] | 2024 Warrant Repricing [Member]
Class of Stock [Line Items]
Exercise price | $ / shares				$ 67.70
Common Class A [Member] | 2024 Warrant Repricing [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Warrants to purchase aggregate shares	1,188,255
Proceeds from the exercise of warrants | $	$ 2,500
Common Class A [Member] | Private Placement [Member] | January 2024 PIPE Warrants [Member]
Class of Stock [Line Items]
Common stock, par value | $ / shares				$ 0.0001
Purchase and sale of shares				2,141,098
Exercise price | $ / shares				$ 2.4898
Warrants and rights outstanding, expire date				Jan. 16, 2029
Term (years)				5 years
Warrants and rights issued closing date				Jan. 16, 2024
Common Class A [Member] | Maximum [Member] | Private Placement [Member] | January 2024 PIPE Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase aggregate shares				535,274
Common Class A [Member] | March 2023 Private Investment in Public Equity Warrants [Member]
Class of Stock [Line Items]
Purchase and sale of shares								938,183
Warrants to purchase aggregate shares																729,698
Purchase price of per share | $ / shares																$ 30.00
Common Class A [Member] | March 2023 Private Investment in Public Equity Warrants [Member] | Private Placement [Member]
Class of Stock [Line Items]
Purchase price of per share | $ / shares								$ 1.25
Common Class A [Member] | March 2023 Private Investment in Public Equity Warrants [Member] | Maximum [Member] | Private Placement [Member]
Class of Stock [Line Items]
Warrants to purchase aggregate shares								938,183
Common Class A [Member] | May 2022 Private Investment in Public Equity Warrants [Member] | Minimum [Member]
Class of Stock [Line Items]
Purchase price of per share | $ / shares																	$ 7.50
Common Class A [Member] | May 2022 Private Investment in Public Equity Warrants [Member] | Maximum [Member]
Class of Stock [Line Items]
Purchase price of per share | $ / shares																	$ 82.50
Common Class A [Member] | May 2023 Private Investment in Public Equity Warrants [Member]
Class of Stock [Line Items]
Purchase and sale of shares						581,394
Warrants to purchase aggregate shares						581,394
Purchase price of per share | $ / shares						$ 5.20
Common Class A [Member] | May 2023 Private Investment in Public Equity Warrants [Member] | Private Placement [Member]
Class of Stock [Line Items]
Purchase price of per share | $ / shares						$ 1.25
Common Class A [Member] | Equity Purchase Agreement [Member] | Yorkville [Member]
Class of Stock [Line Items]
Common stock, shares authorized		10,000
Common stock, par value | $ / shares		$ 0.0001
Consideration shares of common stock | $		$ 10,000
Common Stock [Member] | At the Market Sales Agreement [Member]
Class of Stock [Line Items]
Aggregate offering price | $										$ 150,000
Purchase and sale of shares												13,296
Average price per share | $ / shares												$ 10.60