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Cash and cash equivalents (Tables) | 12 Months Ended
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Dec. 31, 2018
Cash and Cash Equivalents [Abstract] |
Schedule of Cash and Cash Equivalents [Table Text Block] | Cash and cash equivalents are not restricted by the terms of the Company’s bank accounts as to withdrawal or use. As of December 31, 2018 and 2017, the equivalent United States dollars are denominated in the following currencies:
|  | December 31, |
|  | 2018 |  |  | 2017 |
Bank accounts: |  |  |  |  |  |  |  |
United States dollar |  | $ | 11,797,054 |  |  | $ | 6,764,201 |
Cayman Islands dollar |  |  | 5,626,487 |  |  |  | 4,306,768 |
Bahamian dollar |  |  | 3,301,002 |  |  |  | 13,310,936 |
Belize dollar |  |  | 1,130,783 |  |  |  | 4,646,184 |
Bermudian dollar |  |  | 3,370 |  |  |  | 3,502 |
Mexican peso |  |  | 37,313 |  |  |  | 17,014 |
Indonesian rupiah |  |  | 22,289 |  |  |  | 46,331 |
|  |  | 21,918,298 |  |  |  | 29,094,936 |
Short term deposits: |  |  |  |  |  |  |  |
United States dollar |  |  | 8,379,723 |  |  |  | 10,559,407 |
Cayman Islands dollar |  |  | - |  |  |  | 4,802,060 |
Bahamian dollar |  |  | 1,039,456 |  |  |  | 1,026,563 |
|  |  | 9,419,179 |  |  |  | 16,388,030 |
Total cash and cash equivalents |  | $ | 31,337,477 |  |  | $ | 45,482,966 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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