Income Taxes, Net Deferred Tax Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Abstract]
Income tax provision	$ 0	$ 0
Gross deferred tax asset	31,600,000	26,100,000
Change in valuation allowance	5,600,000	9,700,000
Gross deferred tax assets:
Net operating loss carry-forwards	30,576,000	24,269,000
Temporary differences:
Stock compensation	112,000	1,408,000
Accruals	30,000	76,000
Change in accounts payable	138,000	0
Other	791,000	639,000
Amortization	0	(319,000)
Deferred tax asset valuation allowance	(31,647,000)	(26,073,000)
Net deferred tax asset	$ 0	$ 0