Income Taxes (Components for State Income Tax Expense) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Current state taxes	$ 4,600	$ 5,000	$ 11,900	$ 5,300
Deferred state taxes				(47,400)
Income tax expense (benefit)	$ 4,600	$ 5,000	$ 11,900	$ (42,100)