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Condensed Statements of Cash Flows - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Cash Flows from Operating Activities        
Net loss $ (7,020,000) $ (2,077,000) $ (3,284,000) $ (2,460,000)
Adjustments to reconcile net loss to net cash used in operating activities:        
Depreciation 234,000 191,000 265,000 13,000
Amortization of intangible assets 42,000 42,000 166,000
Amortization of debt discount 15,000    
Increase in reserve for inventory obsolescence 60,000    
Fair value of vested options and warrants 1,085,000    
Gain on forgiveness of debt (38,000)    
Fair value of common stock issued for services 1,683,000 115,000 115,000
Changes in operating assets and liabilities        
Accounts receivable (17,000) (1,000) (1,000)
Inventory (60,000)    
Accounts payable and accrued expenses 252,000 (152,000) 359,000 83,000
Net cash used in operating activities (3,806,000) (1,882,000) (2,504,000) (2,198,000)
Cash Flows from Investing Activities        
Purchase of property and equipment (20,000) (365,000) (390,000) (211,000)
Deposits on purchase of equipment (625,000)    
Net cash used in investing activities (645,000) (365,000) (390,000) (211,000)
Cash Flows from Financing Activities        
Proceeds from sale of common stock 5,245,000 1,960,000 2,513,000 2,575,000
Proceeds from convertible notes payable 700,000
Repayment of loans payable (5,000)    
Repayment of patent purchase obligation (100,000)    
Proceeds from note payable 38,000 38,000
Repayment (advancements) of related parties     68,000 (71,000)
Repayment of related parties (5,000)    
Net cash provided by financing activities 5,840,000 1,993,000 2,619,000 2,504,000
Net increase (decrease) in cash 1,389,000 (254,000) (275,000) 95,000
Cash beginning of period 403,000 678,000 678,000 583,000
Cash end of period 1,792,000 424,000 403,000 678,000
Supplemental disclosures of cash flow information:        
Cash paid for interest 3,000
Cash paid for income taxes
Non-Cash Financing Activities:        
Issuance of loan payable for vehicle purchase     $ 40,000
Fair value of warrants recorded as a debt discount $ 576,000