Income Taxes (Details Narrative) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Effective Income Tax Rate Reconciliation [Line Items]
Tax credit expiration date, description	expire in 2024 through 2043
Deferred tax valuation allowance, percentage	100.00%
Deferred tax valuation allowance	$ 2.1	$ 6.8
Domestic Tax Jurisdiction [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Operating loss carryforwards	327.6
Operating loss carryforwards, not subject to limitation	28.6
Tax credit research and development	15.3
Domestic Tax Jurisdiction [Member] | Shareholders [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Operating loss carryforwards	65.2
Domestic Tax Jurisdiction [Member] | Expire in 2025 Through 2037 [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Operating loss carryforwards	309.8
Domestic Tax Jurisdiction [Member] | Unrestricted [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Operating loss carryforwards	262.4
State and Local Jurisdiction [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Operating loss carryforwards	262.6
Tax credit research and development	15.3
State and Local Jurisdiction [Member] | Unrestricted [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Operating loss carryforwards	$ 262.6
California [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Operating loss carryforwards, expiration date	expire in 2029 through 2042