Income Taxes (Expense For Income Taxes) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ 0	$ 0
State	41,000	20,000
Foreign	0	0
Total current expense	41,000	20,000
Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract]
Federal	(2,125,000)	(1,167,000)
State	5,000	(399,000)
Foreign	9,000	(60,000)
Total deferred expense	20,935	0
Income Tax Expense (Benefit)	$ 61,575	$ 19,954