Nature of the Business (Details Narrative) $ / shares in Units, $ in Millions	Nov. 13, 2024 USD ($) $ / shares
Merger Agreement [Member] \| Pre-Merger Cullgen Inc [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Minority interest ownership percentage by noncontrolling owners	96.40%
Merger Agreement [Member] \| Pre-Merger Pulmatrix Inc [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Minority interest ownership percentage by parent	3.60%
Merger Agreement [Member] \| Pulmatrix Inc [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Valuation amount	$ 10.5
Enterprise value	8.0
Cash	2.5
Merger Agreement [Member] \| Cullgen Inc [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Valuation amount	$ 280.0
Common Stock [Member] \| Merger Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Price per share \| $ / shares	$ 10.00
Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash dividend	$ 2.5

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Exchange ratio valuation amount.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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