Promissory Notes (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2021	Dec. 31, 2020
Nadav Elituv, Chief Executive Officer [Member]
Debt Instrument [Line Items]
Promissory notes description	The balance is non-interest bearing, unsecured and have no specified terms of repayment	The balance is non-interest bearing, unsecured and have no specified terms of repayment
Promissory Notes [Member]
Debt Instrument [Line Items]
Promissory notes with principal and interest	$ 130,089	$ 85,796
Promissory notes - principle	118,527	76,263
Promissory notes - interest	$ 11,562	$ 9,533
Promissory note interest rate	10.00%	10.00%
Promissory notes description	Notes are unsecured	Notes are unsecured
Promissory notes maturity date	Dec. 31, 2021	Dec. 31, 2022
Promissory Notes [Member] \| Nadav Elituv, Chief Executive Officer [Member]
Debt Instrument [Line Items]
Promissory notes with principal and interest	$ 198,807	$ 194,485
Promissory notes - principle	172,876	172,876
Promissory notes - interest	$ 25,931	$ 21,609
Promissory note interest rate	10.00%	10.00%
Promissory notes maturity date	Dec. 31, 2021	Dec. 31, 2021

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.

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