Commitments And Contingencies (Schedule Of Net Book Value Of Finance Lease) (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Assets
Leased equipment under finance lease,	$ 100,097	$ 100,097
less accumulated amortization	84,837	60,007
Net	15,260	40,090
Liabilities
Obligations under finance lease (current)		20,654
Total		$ 20,654

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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Amount of long-term debt and lease obligation, classified as current.

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