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DISAGGREGATION OF REVENUE (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue	$ 8,513,956	$ 8,856,888	$ 18,197,297	$ 20,822,317
Belgium [Member]
Revenue		1,130		1,130
Croatia [Member]
Revenue	(29)		5,366
Denmark [Member]
Revenue	9,517	90,347	66,814	186,865
France [Member]
Revenue	48,084	106,031	90,145	178,382
Germany [Member]
Revenue	1,210,265	3,544,660	3,287,079	7,955,452
Greece [Member]
Revenue	5,749,006	331,496	11,205,579	1,091,495
Hungary [Member]
Revenue	117,176	437,945	167,088	756,919
Indonesia [Member]
Revenue	7,235	(100)	7,235	6,607
Ireland [Member]
Revenue	81,411	359,748	213,828	928,417
Italy [Member]
Revenue	38,949	108,220	112,386	264,832
Jordan [Member]
Revenue	(110)	(504)	20,322	33,133
Netherlands [Member]
Revenue	213,303	1,110,423	550,986	2,648,166
Poland [Member]
Revenue	90,199	202,067	228,469	566,797
Turkey [Member]
Revenue	(133)		24,562
UK [Member]
Revenue	$ 949,443	$ 2,565,425	$ 2,217,438	$ 6,204,122

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://fasb.org/us-gaap/role/ref/legacyRef
-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=115205541&loc=SL114868664-224227

Reference 3: 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 4: 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

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