v3.22.2.2
Condensed Statements of Cash Flows - USD ($)
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Cash flows from operating activities:    
Net loss $ (20,135,342) $ (32,006,118)
Adjustments to reconcile net loss to Net cash used in operating activities:    
Depreciation and amortization 200,995 195,361
Stock based compensation 2,158,915 8,591,089
Changes in operating lease right-of-use assets 550,372 594,089
Bad debt expense 30,000 10,850
Changes in operating assets and liabilities:    
Accounts receivable 10,282 (111,683)
Inventory (164,426)  
Prepaid expenses and other current assets (230,368) (72,074)
Other assets   (10,381)
Accounts payable (312,174) (174,606)
Accrued expenses 924 18,822
Accrued severance expense (395,405) 1,102,832
Operating lease liabilities (594,703) (636,984)
Deferred revenue 42,477  
Net cash used in operating activities (18,838,453) (22,498,803)
Cash flows from investing activities:    
Purchases of property and equipment (127,198) (310,718)
Net cash used in investing activities (127,198) (310,718)
Cash flows from financing activities:    
Proceeds from contributions to employee stock purchase plan 249,705 362,048
Net cash provided by financing activities 249,705 362,048
Net decrease in cash and cash equivalents (18,715,946) (22,447,473)
Cash and cash equivalents - beginning 49,071,414 50,729,661
Cash and cash equivalents - ending 30,355,468 28,282,188
Supplemental disclosure of non-cash investing and financing activities:    
Increase in operating lease right-of-use assets and operating lease liabilities 2,071,336  
Restricted Stock Units (RSUs) [Member]    
Supplemental disclosure of non-cash investing and financing activities:    
Common stock issued $ 9 12
Performance Share Unit (PSUs) [Member]    
Supplemental disclosure of non-cash investing and financing activities:    
Common stock issued   $ 5

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