v3.22.2.2
Condensed Statements of Cash Flows - USD ($)
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Cash flows from operating activities:    
Net loss $ (14,170,467) $ (19,541,592)
Adjustments to reconcile net loss to Net cash used in operating activities:    
Depreciation and amortization 127,311 126,385
Stock based compensation 1,460,693 6,374,550
Changes in operating lease right-of-use assets 371,604 393,936
Bad debt expense 17,500  
Changes in operating assets and liabilities:    
Accounts receivable 55,819 (46,120)
Inventory (52,153)  
Prepaid expenses and other current assets (391,009) (10,769)
Accounts payable (197,025) 555,702
Accrued severance expense (230,619)  
Accrued expenses (50,554) 31,251
Operating lease liabilities (403,029) (422,533)
Deferred revenue 7,981 1,500
Net cash used in operating activities (13,453,948) (12,537,690)
Cash flows from investing activities:    
Purchases of property and equipment (112,509) (203,004)
Net cash used in investing activities (112,509) (203,004)
Cash flows from financing activities:    
Proceeds from contributions to employee stock purchase plan 164,728 237,247
Net cash provided by financing activities 164,728 237,247
Net decrease in cash and cash equivalents (13,401,729) (12,503,447)
Cash and cash equivalents - beginning 49,071,414 50,729,661
Cash and cash equivalents - ending 35,669,685 38,226,214
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 $ 6 9
Performance Share Unit (PSUs) [Member]    
Supplemental disclosure of non-cash investing and financing activities:    
Common stock issued   $ 5

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