Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Stockholder's Equity (Unaudited)

v3.20.1
Condensed Consolidated Statements of Changes in Stockholder's Equity (Unaudited) - USD ($)
Total
Common stock
Preferred Stock
Additional paid in capital
Accumulated deficit
Balance at the beginning (in shares) at Dec. 31, 2018   40,804,189 2,857,143    
Balance at the beginning at Dec. 31, 2018 $ 20,907,748 $ 40,804 $ 2,857 $ 119,082,157 $ (98,218,070)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of shares pursuant to common stock private placement, net of offering costs (in shares)   1,818,182      
Issuance of shares of common stock in underwritten public offering, net of offering costs 8,975,960 $ 1,818   8,974,142  
Exercise of stock options and warrants (in shares)   31,288      
Exercise of stock options and warrants 94,177 $ 31   94,146  
Stock-based compensation 596,693     596,693  
Restricted Stock Units vested during period (in shares)   100,000      
Restricted Stock Units vested during period   $ 101   (101)  
Net loss (7,454,048)       (7,454,048)
Balance at the end (in shares) at Mar. 31, 2019   42,753,659 2,857,143    
Balance at the end at Mar. 31, 2019 23,120,530 $ 42,754 $ 2,857 128,747,037 (105,672,118)
Balance at the beginning (in shares) at Dec. 31, 2019   44,384,222 2,857,143    
Balance at the beginning at Dec. 31, 2019 20,995,565 $ 44,384 $ 2,857 135,238,941 (114,290,617)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of shares pursuant to common stock private placement, net of offering costs (in shares)   1,951,219      
Issuance of shares of common stock in underwritten public offering, net of offering costs 3,887,991 $ 1,951   3,886,040  
Exercise of stock options and warrants (in shares)   25,168      
Exercise of stock options and warrants 74,207 $ 25   74,182  
Stock-based compensation 1,116,323     1,116,323  
Net loss (21,117,106)       (21,117,106)
Conversion of preferred stock to common stock (in shares)   8,000,000 (1,600,000)    
Conversion of preferred stock to common stock 0 $ 8,000 $ (1,600) (6,400)  
Issuance of shares related to Aevi Merger (in shares)   3,893,361      
Issuance of shares related to Aevi Merger 15,495,578 $ 3,894   15,491,684  
Issuance of shares pursuant to registered direct offering, net of offering costs (in shares)   1,306,282      
Issuance of shares pursuant to registered direct offering, net of offering costs 5,136,184 $ 1,306   5,134,878  
Balance at the end (in shares) at Mar. 31, 2020   59,560,252 1,257,143    
Balance at the end at Mar. 31, 2020 $ 25,588,742 $ 59,560 $ 1,257 $ 160,935,648 $ (135,407,723)