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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (2,633,992) $ (1,904,166)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 3,118 1,484
Accrued stock compensation to employees 2,470 7,300
Accrued stock compensation to non-employees 4,750 24,090
Increase or decrease in:    
Accounts receivable (25,394) 5,248
Inventory 13,859 3,278
Prepaid clinical expenses 59,096
Prepaid insurance and services (37,013)
Other current assets (9,615) (28,716)
Other 226 460
Accounts payable and accrued expenses 803,630 665,789
Total adjustments 824,742 678,933
NET CASH USED IN OPERATING ACTIVITIES (1,809,250) (1,225,233)
CASH FLOWS FROM INVESTING ACTIVITIES    
Purchases of furniture and equipment (50,627) (1,324)
Proceeds from mortgage note receivable 9,615 9,216
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES (41,012) 7,892
CASH FLOWS FROM FINANCING ACTIVITIES    
Collection of stock subscription receivable 130,062
Other (15,000)
NET CASH PROVIDED BY FINANCING ACTIVITIES 115,062
NET DECREASE IN CASH AND CASH EQUIVALENTS (1,850,262) (1,102,279)
CASH AND CASH EQUIVALENTS, beginning of period 2,783,719 2,217,412
CASH AND CASH EQUIVALENTS, end of period 933,457 1,115,133
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Cash paid for interest
Cash paid for income taxes
NON-CASH INVESTING AND FINANCING ACTIVITIES    
Capitalization of right-to-use asset and lease liability $ 64,231