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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

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- 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 + Details
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