Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Intersest and penalties on unrecognized tax benefits	$ 27,000	$ 0
Accrued balance of interest and penalties on unrecognized tax benefits	27,000	$ 0
Federal [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 6,400,000
Federal [Member] | Maximum [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration date	Dec. 31, 2036
Federal [Member] | Minimum [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration date	Dec. 31, 2035