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Prepaid expenses and Other current assets (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Prepaid expenses and Other current assets [Abstract]
VAT receivable	$ 287,523	$ 259,831
Grants receivable	91,182	95,064
Other current receivables	891,168	140,126
Prepaid Expenses	2,851,681	1,724
Total	$ 4,121,554	$ 496,745

X

- Definition

Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
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X

- Definition

Amount of current assets classified as other.

+ References

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-Topic 210
-SubTopic 10
-Section S99
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- Definition

Amount, before allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

+ References

No definition available.

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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-Topic 340
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- Definition

Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities.

+ References

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-SubTopic 10
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