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DISAGGREGATION OF REVENUE (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue	$ 11,619,076	$ 11,933,248
Greece [Member]
Revenue	11,453,496	10,689,681
Cyprus [Member]
Revenue	14,723	0
Denmark [Member]
Revenue	54,686	0
France [Member]
Revenue	0	1,091
Germany [Member]
Revenue	13,613	667,302
Hungary [Member]
Revenue	0	36,140
Ireland [Member]
Revenue	0	35,113
Italy [Member]
Revenue	15,727	6,041
Jordan [Member]
Revenue	0	9,417
Netherlands [Member]
Revenue	0	41,983
Poland [Member]
Revenue	0	33,455
Turkey [Member]
Revenue	0	28,398
UK [Member]
Revenue	$ 66,831	$ 384,627

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(1))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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