Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

v3.23.1
Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:    
Net loss $ (15,177,156) $ (11,730,931)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization of property and equipment 48,229 36,803
Amortization of license agreements, patents and trademarks 47,590 40,151
Loss on disposal and abandonment of patents and equipment 65,082 98,733
Adjustments for expired and expiring inventory 183,006 0
Amortization of debt discount and issuance costs 207,591 0
Non-cash lease expense 107,915 121,880
Stock compensation expense 301,351 471,262
Gain on extinguishment of debt 0 (366,000)
Value of stock issued to 401(k) plan for employer matching contributions 44,720 76,846
Value of stock issued in payment of employee bonuses 24,847 0
Value of stock issued in payment of director fees 22,566 85,935
Value of stock issued under long term incentive plan 19,740 0
Changes in operating assets and liabilities:    
Receivables 92,363 (30,675)
Inventory (459,195) 18,643
Prepaid expenses and other assets 951,856 358,203
Accounts payable 701,221 259,600
Accrued and other liabilities 3,348,247 622,738
Lease liabilities (275,718) (294,951)
Deferred revenue 759,175 13,608
Net cash used in operating activities (8,986,570) (10,218,155)
Cash flows from investing activities:    
Payments for purchases of equipment (63,086) (25,218)
Patent and trademark costs (327,263) (304,206)
Net cash used in investing activities (390,349) (329,424)
Cash flows from financing activities:    
Proceeds from issuance of preferred stock and warrants, including collection of stock subscriptions 6,173,000 12,682,700
Proceeds from issuance of common stock 30 4,346
Payment of tax withholdings related to stock-based compensation 0 (17,360)
Proceeds from note payable 2,500,000 0
Payment of debt issuance costs (14,626) 0
Principal payments on notes payable (518,089) (491,775)
Net cash provided by financing activities 7,141,914 12,107,949
Net increase in cash and cash equivalents (2,235,005) 1,560,370
Cash and cash equivalents, beginning of period 4,230,865 2,670,495
Cash and cash equivalents, end of period 1,995,860 4,230,865
Preferred Stock Issuance Costs [Member]    
Cash flows from financing activities:    
Payment of preferred stock issuance costs $ (998,401) $ (69,962)