General form of registration statement for all companies including face-amount certificate companies

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)

v3.19.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Cash flows from operating activities:                    
Net loss $ (14,774,392) $ (8,213,793) $ (19,194,236) $ (3,094,298)            
Adjustments to reconcile net loss to net cash used in operating activities:                    
Depreciation 366 331 1,544 8,039            
Loss on disposal of assets     803 1,788            
Fixed assets provided to university in lieu of cash       18,004            
Stock-based compensation expense 171,493 229,609 674,961 608,676            
Amortization of warrants and stock issued for services [1]       30,000            
Change in fair value of derivative liabilities 12,820,618 (977,493) 6,503,174 (767,198)            
Fair value of warrant liability in excess of proceeds 322,644 7,174,634 7,174,634              
Issuance costs related to warrant liability   137,191 137,192              
Loss on common stock issuance from conversion of accrued interest     9,794              
Loss on extinguishment of secured convertible promissory note - related party   590,392 590,392              
Amortization of debt discount 56,952 34,608 58,536              
Common stock issued for services       187,550            
Changes in assets and liabilities:                    
Prepaid expenses (208,619) 85,111 198,235 (121,273)            
Deposits and other assets       34,290            
Other current assets     (2,609) 7,014            
Accounts payable 152,684 (2,164) (85,324) (173,729)            
Accounts payable to related party   100,000                
Accrued payroll and related expenses (9,550) (8,808) 11,701 (112,825)            
Accrued expenses 36,684 (65,589) (21,811) 42,677            
Net cash used in operating activities (1,431,120) (1,053,162) (3,943,014) (3,331,285)            
Cash flows from investing activities:                    
Purchases of property and equipment   (1,059) (4,385) (19,654)            
Net cash used in investing activities   (1,059) (4,385) (19,654)            
Cash flows from financing activities:                    
Proceeds from Common stock issuance, net of $9,122 issuance costs   3,240,878                
Proceeds from Emerald Financing, net of $154,092 issuance costs     3,095,908              
Proceeds from Series B warrant exercises   98,700 98,700              
Proceeds from secured convertible promissory note - related party   400,000 400,000 500,000            
Proceeds from convertible multi-draw credit agreement, net of $53,707 and $9,301 issuance costs for the year ended 31st Dec 2018 and three month ended 31st March 2019 respectively. 3,990,699   1,946,293              
Net cash provided by financing activities 3,990,699 3,739,578 5,540,901 3,513,002            
Net increase in cash, cash equivalents and restricted cash 2,559,579 2,685,357 1,593,502 162,063          
Cash, cash equivalents and restricted cash, beginning of period 1,857,885 264,383 264,383 102,320            
Cash, cash equivalents and restricted cash, end of period 4,417,464 2,949,740 1,857,885 264,383 102,320          
Reconciliation of cash, cash equivalents and restricted cash:                    
Cash and cash equivalents           $ 4,412,952 $ 1,853,373 $ 2,945,312 $ 259,955
Restricted cash           4,512 4,512 4,428 4,428
Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows 1,857,885 264,383 264,383 102,320 $ 102,320 $ 4,417,464 $ 1,857,885 $ 2,949,740 $ 264,383 $ 102,320
Cash paid during the period for:                    
Interest 59,111   23,334              
Income taxes 0 0 1,642 1,631            
Supplemental disclosures of non-cash financing activities:                    
Conversion of outstanding preferred stock into common stock   1,947,227 1,947,228 1,386,000            
Conversion of outstanding preferred stock subject to redemption into common stock   828,916 828,915 1,197,450            
Fair value of common stock issued in extinguishment of convertible debt and accrued interest   1,710,000 1,713,766              
Fair value of warrants issued in connection with financings   10,424,634 10,424,634              
Proceeds allocated to equity classified warrants issued with convertible multi-draw credit agreement 716,110   315,080              
Reclassification of warrant liabilities to equity from exercise of warrants   $ 1,223,991 1,539,866              
Fair value of compound derivative liability issued with convertible multi-draw credit agreement 193,414   204,102              
Beneficial conversion feature on convertible multi-draw credit agreement $ 1,584,850   $ 90,080              
Series D Preferred Stock                    
Cash flows from financing activities:                    
Proceeds from Issuance of Preferred Stock and Preference Stock [2]       1,131,857            
Series F Preferred stock                    
Cash flows from financing activities:                    
Proceeds from Issuance of Preferred Stock and Preference Stock       $ 1,881,145            
[1] During the year ended December 31, 2017 preferred deemed dividends of $333,000 was recognized on Series F Preferred Stock, $536,000 was recognized on Series D Preferred Stock and $175,000 on Series C Preferred Stock.
[2] During the year ended December 31, 2017 preferred deemed dividends of $333,000 was recognized on Series F Preferred Stock, $536,000 was recognized on Series D Preferred Stock and $175,000 on Series C Preferred Stock.