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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Cash flows from operating activities:      
Net loss $ (5,090,321) $ (3,122,637)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Stock-based cost on issuance of warrants 2,874,896  
Amortization of debt discount and deferred financing costs 176,659 421,217  
Amortization of intangible assets 12,841 12,841  
Stock-based compensation 297,360  
Depreciation on development equipment 2,538  
Change in fair value of derivative 190,841 536,345  
Loss on debt extinguishment / conversion 257,810 27,504  
Changes in operating assets and liabilities:      
Prepaid expenses and other current assets (1,906) 17,162  
Accounts payable and accrued expenses 364,499 879,838  
Accounts payable to related party (45,348) (26,308)  
Net cash provided by (used in) operating activities (962,668) (1,251,500)  
Cash flows from financing activities:      
Proceeds from convertible notes 1,613,200  
Proceeds from sales of common stock 51,805  
Proceeds from convertible debt related to joint venture 500,000  
Proceeds from short-term loan, other 120,000  
Repayment of short-term loans, others (60,000) (50,000)  
Repaid to others (75,000)  
Net cash provided by financing activities 491,805 1,608,200  
Net increase (decrease) in cash (470,863) 356,700  
Cash - beginning of period 588,769 474,019 $ 474,019
Cash - end of period 117,906 830,719 $ 588,769
Supplemental cash flow information:      
Interest paid 100,882 65,754  
Income taxes paid