Operating Leases (Narrative) (Details) - USD ($)				3 Months Ended		9 Months Ended
	Sep. 30, 2021	Aug. 27, 2021	Aug. 01, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating Leases [Abstract]
Cash paid operating lease costs						$ 160,000	$ 193,000
Increase in operating lease assets and liabilities				$ 134,000	$ 194,000
Rent expense for office facilities	$ 16,960		$ 16,660
Purchase price of real and personal property		$ 2,050,000
Inspection period under lease agreement		60 days
Estimated earnest money payable under lease amendment		$ 50,000
Earnest money paid under lease agreement		$ 50,000