Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Taxes
Accumulated undistributed earnings	$ (760,227,000)	$ (688,492,000)
Valuation allowance	121,300,000
U.S. income tax authority
Income Taxes
Net operating loss	127,200,000	76,000,000
Net operating loss, subject to expiration	5,000,000
Net operating loss, not subject to expiration	$ 122,200,000
Foreign tax authority | INDIA
Income Taxes
Net operating loss, limitations on use	India has a 4-year statute of limitations, so years prior to 2017 are closed.
Foreign tax authority | FRANCE
Income Taxes
Net operating loss	$ 6,200,000
Net operating loss, limitations on use	France has a statute of limitation tax expires 3 years following the year that triggered the liability.
State and Local Jurisdiction [Member]
Income Taxes
Net operating loss	$ 93,700	$ 55,300
Commlabs Technology Centre Pvt. Ltd. (“Commlabs India”) | INDIA
Income Taxes
Accumulated undistributed earnings	$ 1,400,000