Income Taxes, Tax Credit Carryforwards (Details) - Research and Development [Member] $ in Millions	12 Months Ended
Dec. 31, 2023 USD ($)
Federal [Member]
Tax Credit Carryforwards [Abstract]
Tax credit carryforwards	$ 8.1
Federal [Member] \| Earliest Tax Year [Member]
Tax Credit Carryforwards [Abstract]
Tax credit carryforwards, expiration date	Dec. 31, 2033
Connecticut [Member]
Tax Credit Carryforwards [Abstract]
Tax credit carryforwards	$ 3.8

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-3

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- Definition

Expiration date of the tax credit carryforward, in YYYY-MM-DD format.

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+ References

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