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Accounts payable and accrued liabilities | 12 Months Ended
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Dec. 31, 2018
Payables and Accruals [Abstract] |
Accounts payable and accrued liabilities | Accounts payable and accrued liabilities Accounts payable and accrued liabilities include the following at December 31, 2018 and 2017:
|  | 2018 |  | 2017
Accounts payable |  | $ | 366,917 |  |  | $ | 1,089,919 |
Accrued payroll including vacation |  | 223,481 |  |  | 364,368 |
Accrued professional fees and contract services |  | 185,992 |  |  | 443,178 |
Accrued taxes |  | 23,678 |  |  | 240,880 |
Accrued construction costs |  | 13,716 |  |  | 509,950 |
Accrued other |  | 31,539 |  |  | 18,560 |
Accounts payable and accrued liabilities |  | $ | 845,323 |  |  | $ | 2,666,855 |

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
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