Income Taxes - Provision for income taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CURRENT TAXES:
Other Countries	$ 107,000	$ 443,000
Total current taxes	107,000	443,000	$ 443,000
DEFERRED TAXES:
Other Countries	(19,000)	19,000
Total income tax provision	(19,000)	19,000	$ 19,000
Income tax provision	$ 88,000	$ 462,000