XML 26 R21.htm IDEA: XBRL DOCUMENT v3.20.1
Accounts payable and accrued liabilities (Tables)
3 Months Ended
Mar. 31, 2020
Payables and Accruals [Abstract]  
Schedule of accounts payable and accrued liabilities
Accounts payable and accrued liabilities include the following:
 
 
March 31,
 
December 31,
 
 
2020
 
2019
Accounts payable
 
$
1,233,052

 
$
809,444

Accrued payroll including vacation
 
365,564

 
236,489

Accrued professional fees and contract services
 
196,098

 
346,349

Accrued construction costs
 
20,946

 

Accrued taxes and other
 
19,025

 
70,527

Accounts payable and accrued liabilities
 
$
1,834,685

 
$
1,462,809