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DISAGGREGATION OF REVENUE (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue	$ 12,819,972	$ 8,513,956	$ 24,753,220	$ 18,197,297
Greece [Member]
Revenue			22,657,446	11,205,579
Libya [Member]
Revenue			41,972	0
Croatia [Member]
Revenue			8,617	5,366
Denmark [Member]
Revenue			0	66,814
France [Member]
Revenue			1,091	90,145
Germany [Member]
Revenue			792,540	3,287,079
Hungary [Member]
Revenue			36,240	167,088
Indonesia [Member]
Revenue			0	7,235
Ireland [Member]
Revenue			35,104	213,828
Italy [Member]
Revenue			22,048	112,386
Jordan [Member]
Revenue			9,322	20,322
Netherlands [Member]
Revenue			38,252	550,986
Poland [Member]
Revenue			28,352	228,469
Turkey [Member]
Revenue			0	24,562
UK [Member]
Revenue			$ 1,082,236	$ 2,217,438

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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