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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Operating Activities:    
Net income/(loss) $ 153,445 $ 5,035,232
Adjustments to reconcile net income (loss) to cash used in operating activities:    
Depreciation and amortization 24,936 111,651
Operating lease asset amortization 319,468  
Realized (gain) on sale and foreclosure of assets   (254,600)
Amortization of deferred financing costs   2,692
Non-cash interest expense   315,974
Amortization of debt discount 689,965 1,266,120
Bad debt expense   (141)
Warranty reserve 7,082 (7,596)
Gain on extinguishment of liabilities, net (3,852,140) (7,717,150)
Changes in operating assets and liabilities:    
Accounts receivable 5,539 141
Inventories (55,029) 23,843
Prepaid expenses and other current assets (557,977) 3,583
Accounts payable (73,672) (319,337)
Related party payable (87,263)  
Operating lease liabilities (282,680)  
Accrued interest 24,909 495,908
Accrued expenses (529,937) 665,909
Net cash (used in) operating activities (4,213,354) (377,771)
Investing Activities:    
Proceeds on sale of assets   254,600
Payments on purchase of assets (114,386)  
Patent activity costs 17,648 (156)
Net cash (used in) provided by investing activities (96,738) 254,444
Financing Activities:    
Repayment of debt   (5,000)
Proceeds from issuance of debt   443,200
Proceeds from issuance of stock 5,500,000  
Net cash provided by financing activities 5,500,000 438,200
Net change in cash and cash equivalents 1,189,908 314,873
Cash and cash equivalents at beginning of period 167,725  
Cash and cash equivalents at end of period 1,357,633 314,873
Non-Cash Transactions:    
Non-cash conversions of preferred stock and convertible notes to equity $ 5,800,000 $ 47,133