Taxes on Income (Details) - Components of income tax expense - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal		$ (41,000)
State and local	25,000	25,000
Foreign	10,000	9,000
Income tax (expense) benefit, current	35,000	(7,000)
Deferred:
Federal
State and local
Income tax (expense) benefit, deferred
Income tax (benefit) expense	$ 35,000	$ (7,000)