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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Cash Flows from Operating Activities: |  |
Net loss | $ (9,910,508) | $ (8,779,450)
Reconciliation of net loss to net cash used in operating activities: |  |
Depreciation and amortization | 576,331 | 502,743
Stock-based compensation | 1,630,677 | 1,377,038
Amortization of right-of-use assets | 257,889 | 251,626
Changes in operating assets and liabilities: |  |
Prepaid expenses and deposits | 288,409 | 95,000
Other receivables | (1,948) | (308)
Accounts payable and accrued expenses | (3,953,976) | (1,482,473)
Deferred revenue | (964,322) | 0
Lease liability | (148,614) | (64,329)
Net cash used in operating activities | (12,226,062) | (8,100,153)
Cash Flows from Investing Activities: |  |
Purchase of property and equipment | (826,583) | (442,277)
Cash used for construction in progress | (1,625,605) | (958,965)
Net cash used in investing activities | (2,452,188) | (1,401,242)
Cash Flows from Financing Activities: |  |
Proceeds from issuance of common stock, net | 0 | 52,656,588
Net cash provided by financing activities | 0 | 52,656,588
Net (decrease) increase in cash, cash equivlants and restricted cash | (14,678,250) | 43,155,193
Cash, cash equivalents and restricted cash at beginning of the period | 43,497,331 | 21,352,382
Cash, cash equivalents and restricted cash at end of the period | 28,819,081 | 64,507,575
Supplemental schedule of non-cash financing and investing activities: |  |
Offering cost not yet paid | 0 | 103,830
Reclassifications between construction in progress and fixed assets | 0 | 6,789,098
Capital expenditures included in accounts payable | $ 2,328,499 | $ 220,168

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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration