Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Stockholder's Equity

v3.19.1
Consolidated Statements of Changes in Stockholder's Equity - USD ($)
Total
Common stock
Additional paid in capital
Contingently Issuable Common Stock
Accumulated deficit
Common stock
Redeemable Convertible Preferred Stock
Preferred Stock
Balance at the beginning (in shares) at Dec. 31, 2016   9,434,141         0
Balance at the beginning at Dec. 31, 2016 $ 207,002 $ 9,434 $ 70,232,651   $ (70,035,083)   $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of stock (in shares)   2,301,598          
Issuance of stock 1,502,593 $ 2,302 1,500,291        
Issuance of common stock to Armistice Capital (in shares)           2,345,714  
Issuance of shares pursuant to common stock private placement, net of offering costs 4,561,658   4,559,308     $ 2,346 4
Issuance of shares in acquistion (in shares)           5,184,920  
Issuance of shares in acquisition 5,858,955   5,853,770     $ 5,185  
Shares purchased through employee stock purchase plan 2,655,464     $ 2,655,464      
Shares purchased through employee stock purchase plan (in shares)           60,616  
Stock-based compensation 46,861   46,800     $ 61  
Stock-based compensation 1,157,252   1,157,252        
Issuance of common stock for conversion of preferred stock (in shares)           11,940,000  
Issuance of common stock for conversion of preferred stock 0   (11,936)     $ 11,940 $ (4)
Net (loss) income 11,869,823       11,869,823    
Balance at the end (in shares) at Dec. 31, 2017   31,266,989         0
Balance at the end at Dec. 31, 2017 27,859,608 $ 31,268 83,338,136 2,655,464 (58,165,260)   $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of stock (in shares)   2,349,968          
Issuance of stock 0 $ 2,350 2,653,114 (2,655,464)      
Issuance of common stock to Armistice Capital (in shares)           1,000,000  
Issuance of shares pursuant to common stock private placement, net of offering costs 3,857,106   3,856,106     $ 1,000  
Issuance of shares in acquistion (in shares)           5,774,464  
Issuance of shares in acquisition 19,971,554   19,965,780     $ 5,774  
Issuance of Series B convertible preferred stock upon warrant exercise, net of offering costs (in shares)             2,857,143
Issuance of Series B convertible preferred stock upon warrant exercise, net of offering costs 5,685,038   5,682,181       $ 2,857
Exercise of stock options and warrants (in shares)           370,361  
Exercise of stock options and warrants 1,083,953   1,083,583     $ 370  
Shares purchased through employee stock purchase plan (in shares)           42,407  
Stock-based compensation 72,236   72,194     $ 42  
Stock-based compensation 2,431,063   2,431,063        
Net (loss) income (40,052,810)       (40,052,810)    
Balance at the end (in shares) at Dec. 31, 2018   40,804,189         2,857,143
Balance at the end at Dec. 31, 2018 $ 20,907,748 $ 40,804 $ 119,082,157 $ 0 $ (98,218,070)   $ 2,857