v3.21.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 31, 2020
Dec. 31, 2019
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Cash flows from operating activities:                    
Net loss     $ (2,674,040) $ (2,966,892) $ (2,325,619) $ (2,673,608) $ (5,640,932) $ (4,999,227)    
Adjustments to reconcile net loss to net cash used in operating activities:                    
Depreciation and amortization             37,606 36,099    
Non-cash lease expense             60,957 60,010    
Stock compensation expense             263,478 73,834    
Gain on extinguishment of debt     0   0   (366,000) 0    
Value of stock issued to 401(k) plan for employer matching contributions             76,846 39,834    
Value of stock issued in payment of employee bonuses             0 171,522    
Value of stock issued in payment of services             0 4,801    
Changes in operating assets and liabilities:                    
Receivables             (130,218) 756,622    
Inventory             (9,032) 0    
Prepaid expenses and other assets             350,477 866,070    
Accounts payable             (81,647) 48,842    
Accrued and other liabilities             71,825 (71,232)    
Lease liabilities             (156,634) (139,800)    
Deferred revenue             45,928 166,805    
Net cash used in operating activities             (5,477,346) (2,985,820)    
Cash flows from investing activities:                    
Payments for purchases of equipment     (2,707)   (1,947)   (2,707) (8,406)    
Patent and trademark costs             (104,067) (115,271)    
Net cash used in investing activities             (106,774) (123,677)    
Cash flows from financing activities:                    
Proceeds from issuance of preferred stock, including collection of stock subscriptions receivable             10,475,000 700,000    
Proceeds from issuance of common stock $ 812,000 $ 1,900,000         2,133 3,025,040   $ 1,100,000
Proceeds from note payable             0 366,000    
Principal payments on notes payable             (379,443) (261,701)    
Net cash provided by financing activities             10,027,728 3,679,339    
Net increase in cash and cash equivalents             4,443,608 569,842    
Cash and cash equivalents, beginning of period $ 1,047,159     $ 2,670,495   $ 1,047,159 2,670,495 1,047,159 $ 1,047,159  
Cash and cash equivalents, end of period   $ 1,047,159 $ 7,114,103   $ 1,617,001   7,114,103 1,617,001 $ 2,670,495 $ 1,047,159
Preferred Stock Issuance Costs [Member]                    
Cash flows from financing activities:                    
Payment of stock issuance costs             (69,962) 0    
Common Stock Issuance Costs [Member]                    
Cash flows from financing activities:                    
Payment of stock issuance costs             $ 0 $ (150,000)    

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