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Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Operating activities    
Net loss $ (8,224,130) $ (8,537,952)
Adjustments to reconcile net loss to net cash used in operating activities:    
Reserve for obsolete inventory   30,000
Forgiveness of paycheck protection loan and accrued interest   (105,130)
Non-cash lease expense 37,025  
Stock-based compensation expense 1,458,709 1,878,954
Change in operating assets and liabilities:    
Accounts receivable, net (329,639) (271,882)
Prepaid expenses and other assets (29,208) 157,593
Inventory (103,843) 20,946
Accounts payable and other current liabilities 60,284 (527,859)
Accrued compensation 71,840 (496,915)
Accrued interest expense 500,000 499,301
Operating lease liabilities (37,025)  
Milestone payable   (5,000,000)
Net cash used in operating activities (6,595,987) (12,352,944)
Financing activities    
Proceeds from issuance of common stock, net   14,375,000
Payment of common stock offering cost   (1,304,846)
Proceeds from issuance of common stock from ATM, net 7,443,969 319,528
Payment of ATM offering costs (148,993) (6,421)
Proceeds from issuance of common stock from stock options exercises   45,454
Net cash provided by financing activities 7,294,976 13,428,715
Net increase in cash and cash equivalents 698,989 1,075,771
Cash and cash equivalents at beginning of period 9,144,710 8,068,939
Cash and cash equivalents at end of period 9,843,699 9,144,710
Non-cash financing activities    
Forgiveness of paycheck protection loan and accrued interest   $ 105,130
Operating lease right-of-use asset obtained in exchange for operating lease liabilities $ 153,671