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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

+ References

No definition available.

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Shares issuable for little or no cash consideration upon the satisfaction of certain conditions (contingently issuable shares) are considered outstanding common shares and included in the computation of basic Earnings Per Share as of the date that all necessary conditions have been satisfied (in essence, when issuance of the shares is no longer contingent). Outstanding common shares that are contingently returnable (that is, subject to recall) are treated in the same manner as contingently issuable shares. Contingently issuable shares include shares that (a) will be issued in the future upon the satisfaction of specified conditions, (b) have been placed in escrow and all or part must be returned if specified conditions are not met, or (c) have been issued but the holder must return all or part if specified conditions are not met. The number of contingently issuable shares is determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period.

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The Company and Summary of Significant Accounting Policies (Details Narrative) € in Thousands, $ in Thousands	3 Months Ended		6 Months Ended			12 Months Ended
	Jun. 30, 2021 EUR (€) shares	Jun. 30, 2020 EUR (€) shares	Jun. 30, 2021 USD ($) shares	Jun. 30, 2021 EUR (€) shares	Jun. 30, 2020 EUR (€) shares	Dec. 31, 2020 USD ($) shares	Jun. 30, 2021 EUR (€) shares
Professional fees \| €	€ 3	€ 11		€ 14	€ 22
Accumulated deficit			$ (95,368)			$ (93,020)
Current liabilities exceeding current assets \| €							€ 64,361
Convertible debt \| €							€ 64,110
Preferred stock shares authorized \| shares			5,000,000			5,000,000	5,000,000
Potentially shares issuable \| shares			747,880,794	747,880,794	712,281,117
Weighted-average shares outstanding, basic and diluted \| shares	303,757,622	303,757,622	303,757,622	303,757,622	303,757,622
Grant revenue \| €				€ 290
Total grant revenue			$ 5,930
Project cost			$ 8,850
Stock Option [Member]
Potentially shares issuable \| shares			25,750,000	25,750,000	26,750,000
Convertible Loans [Member]
Potentially shares issuable \| shares			722,130,794	722,130,794	685,531,117
NIH [Member]
Grant revenue \| €				€ 1,465
Grant Revenue [Member]
Concentration risk percentage			99.00%	99.00%	95.00%
One Partner [Member] \| Grant Revenue [Member]
Concentration risk percentage						95.00%
Second Year [Member]
Grant revenue			$ 449
Project cost			727
Third Year [Member]
Grant revenue			1,052
Project cost			1,856
Fourth Year [Member]
Grant revenue			1,078
Project cost			1,720
First Year [Member]
Grant revenue			743
Project cost			$ 1,213