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v3.19.3

Construction Backlog (Details Textual) | 3 Months Ended
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Sep. 30, 2019 USD ($) Item | Dec. 31, 2018 USD ($) | Sep. 30, 2017 USD ($) Number
Construction Backlog (Textual) |  |  |
Number of large contracts | Number |  |  | 1
Construction backlog contract amount |  |  | $ 17,000,000
Total Backlog | $ 17,787,170 |  |
Exclusive License Agreement [Member] |  |  |
Construction Backlog (Textual) |  |  |
Number of contracts removed out of backlog | Item | 2 |  |
Total Backlog | $ 2,400,000 |  |
Contract One [Member] | Exclusive License Agreement [Member] |  |  |
Construction Backlog (Textual) |  |  |
Construction backlog contract amount | 55,000,000 |  |
Contract Two [Member] | Exclusive License Agreement [Member] |  |  |
Construction Backlog (Textual) |  |  |
Construction backlog contract amount | 15,000,000 |  |
Moved Contract [Member] |  |  |
Construction Backlog (Textual) |  |  |
Construction backlog contract amount | $ 25,000,000.0 | $ 27,500,000 |

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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045 + Details
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