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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 57,221,434 $ 21,352,382
Prepaid expenses and deposits 2,801,800 2,057,924
Other receivables 286 1,000,559
Total current assets 60,023,520 24,410,865
Non-current assets:    
Property, plant and equipment, net 10,107,579 3,570,736
Construction in progress 0 6,789,098
Right-of-use assets, net 10,339,884 10,844,116
Total non-current assets 20,447,463 21,203,950
Total assets 80,470,983 45,614,815
Current liabilities:    
Accounts payable and accrued liabilities 5,100,943 6,013,010
Lease liability 558,657 388,792
Total current liabilities 5,659,600 6,401,802
Non-current liabilities:    
Lease liability, net of current portion 11,568,072 11,868,440
Total non-current liabilities 11,568,072 11,868,440
Total liabilities 17,227,672 18,270,242
Commitments and contingencies (see Note 10)
Stockholders' equity:    
Preferred stock - $0.001 par value, 5 million shares authorized and 0 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively
Common stock, $0.001 par value, 150 million shares authorized, 83.1 million and 50.7 million shares issued and outstanding as of June 30, 2021 and December 31, 2020, respectively 83,079 50,731
Additional paid-in capital 439,085,948 383,533,326
Accumulated deficit (375,925,716) (356,239,484)
Total stockholders' equity 63,243,311 27,344,573
Total liabilities and stockholders' equity $ 80,470,983 $ 45,614,815