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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 28,637,217 $ 42,351,145
Restricted cash 181,864 1,146,186
Prepaid expenses and deposits 2,196,225 2,484,634
Other receivables 2,185 237
Total current assets 31,017,491 45,982,202
Non-current assets:    
Property, plant and equipment, net 10,276,936 10,096,861
Construction in progress 4,089,135 2,225,610
Right-of-use assets, net 9,572,572 9,830,461
Total non-current assets 23,938,643 22,152,932
Total assets 54,956,134 68,135,134
Current liabilities:    
Accounts payable and accrued liabilities 7,348,680 11,134,913
Lease liability 683,969 620,490
Deferred Revenue 181,864 1,146,186
Total current liabilities 8,214,513 12,901,589
Non-current liabilities:    
Lease liability, net of current portion 11,035,857 11,247,950
Total non-current liabilities 11,035,857 11,247,950
Total liabilities 19,250,370 24,149,539
Stockholders' equity:    
Preferred stock - $0.001 par value, 5 million shares authorized and 0 shares issued and outstanding at March 31, 2022 and December 31,2021, respectively
Common stock, $0.001 par value, 150 million shares authorized, 83.5 million and 83.1 million shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively 83,451 83,079
Additional paid-in capital 443,651,176 442,020,871
Accumulated deficit (408,028,863) (398,118,355)
Total stockholders' equity 35,705,764 43,985,595
Total liabilities and stockholders' equity $ 54,956,134 $ 68,135,134