Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Valuation allowance	$ 192,900,000	$ 174,300,000
Unrecognized tax benefits	0	0
Unrecognized tax benefits income tax interest and penalties accrued	0	$ 0
US Federal Authority [Member]
Net operating loss	$ 15,500,000
Operating loss, expiration date	2031
Operating loss carryforwards unlimited carryover period	$ 109,500,000
US State Authority [Member]
Net operating loss	$ 43,200,000
Operating loss, expiration date	2027
Operating loss carryforwards unlimited carryover period	$ 2,200,000
Foreign Authority [Member]
Net operating loss	$ 900,000
Operating loss, expiration date	2026
Operating loss carryforwards unlimited carryover period	$ 26,800,000