Income Taxes - Reconciliation between statutory rate and effective rate (Details)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Reconciliation between the tax provision computed at the federal statutory income tax rate
Federal tax at statutory rate (as a percent)	21.00%	21.00%
Stock compensation and other permanent differences (as a percent)	(2.00%)	(1.00%)
Nondeductible executive compensation (as a percent)	(2.00%)	(1.00%)
Bargain purchase gain (as a percent)	20.00%
Tax benefit related to Pulmokine acquisition (as a percent)	29.00%
Valuation allowance (as a percent)	(37.00%)	(19.00%)
Total (as a percent)	29.00%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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-Name Accounting Standards Codification
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- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Topic 235
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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+ References

No definition available.

+ Details

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- Definition

Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for executive compensation.

+ References

No definition available.

+ Details

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+ References

No definition available.

+ Details

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- Definition

+ References

No definition available.

+ Details

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