Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of income tax expense at the statutory rate to income tax expense at Entity's effective tax rate
Effective tax rate	22.68%	22.62%
Tax Expense (Benefit) Computed at 22.68% and 22.62% of Pretax Income (Loss)	$ (4,361,000)	$ (6,744,000)
Changes in Tax Laws	0	0
Foreign Income Tax Expense	0	0
Effect of Change in Valuation Allowance	4,361,000	6,744,000
Total Income Tax Expense	0	0
Deferred tax assets:
Net Operating Loss Carryforward	70,686,000	66,895,000
Stock Based Compensation	7,792,000	7,726,000
Deferred Revenue	983,000	1,846,000
General Business Credit	6,872,000	6,872,000
Accrued Expenses	605,000	174,000
Inventories	234,000	88,000
Book over Tax Depreciation	0	6,000
Research & Experimental Expenses	371,000	0
Other Deferred Tax Assets	1,274,000	865,000
Total Deferred Tax Assets	88,817,000	84,472,000
Deferred Tax Liabilities:
Book over Tax Depreciation	8,000	0
Goodwill & Intangible Assets	224,000	183,000
Prepaid Expenses	316,000	381,000
Total Deferred Tax Liabilities	548,000	564,000
Subtotal	88,269,000	83,908,000
Valuation Allowance	(88,269,000)	(83,908,000)
Net Deferred Tax Asset	0	0
Net operating loss carryforwards	311,600,000
Operating loss carryforwards subject to expiration	165,300,000
Income tax expense (benefit)	0	$ 0
Excess tax benefits on share based compensation that would be credited directly to contributed capital, if recognized	$ 3,900,000