Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statement of Changes in Shareholders' Equity (unaudited)

v3.19.3
Condensed Consolidated Statement of Changes in Shareholders' Equity (unaudited) - USD ($)
$ in Thousands
Preferred Series A Stock [Member]
Common Stock [Member]
Additional paid-in capital [Member]
Accumulated deficit [Member]
Total
Balance at beginning at Dec. 31, 2017   $ 1 $ 44,643 $ (39,121) $ 5,523
Balance at beginning (in shares) at Dec. 31, 2017 1,581,128 10,493,233      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common shares upon initial public offering, net of offering costs   $ 1 14,953   14,954
Issuance of common shares upon initial public offering, net of offering costs (in shares)   3,500,000      
Conversion of preferred shares to commons shares in connection with initial public offering      
Conversion of preferred shares to commons shares in connection with initial public offering (in shares) (1,581,128) 1,581,128      
Issuance of common shares upon exercise of overallotments     258   258
Issuance of common shares upon exercise of overallotments (in shares)   56,000      
Issuance of common shares upon cashless exercise of options (in shares)   394      
Share based compensation     602   602
Share based compensation (in shares)   15,000      
Warrant expense     3,156   3,156
Net loss       (7,323) (7,323)
Balance at end at Mar. 31, 2018   $ 2 63,612 (46,444) 17,170
Balance at end (in shares) at Mar. 31, 2018   15,645,755      
Balance at beginning at Dec. 31, 2017   $ 1 44,643 (39,121) 5,523
Balance at beginning (in shares) at Dec. 31, 2017 1,581,128 10,493,233      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss         (16,690)
Balance at end at Sep. 30, 2018   $ 2 65,251 (55,811) 9,442
Balance at end (in shares) at Sep. 30, 2018   15,690,151      
Balance at beginning at Mar. 31, 2018   $ 2 63,612 (46,444) 17,170
Balance at beginning (in shares) at Mar. 31, 2018   15,645,755      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share based compensation     498   498
Net loss       (4,197) (4,197)
Balance at end at Jun. 30, 2018   $ 2 64,110 (50,641) 13,471
Balance at end (in shares) at Jun. 30, 2018   15,645,755      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common shares upon exercise of options     48   48
Issuance of common shares upon exercise of options (in shares)   14,396      
Share based compensation     1,093   1,093
Share based compensation (in shares)   30,000      
Net loss       (5,170) (5,170)
Balance at end at Sep. 30, 2018   $ 2 65,251 (55,811) 9,442
Balance at end (in shares) at Sep. 30, 2018   15,690,151      
Balance at beginning at Dec. 31, 2018   $ 2 79,893 (61,378) 18,517
Balance at beginning (in shares) at Dec. 31, 2018   21,440,148      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common shares upon exercise of options     2   2
Issuance of common shares upon exercise of options (in shares)   416      
Issuance of common shares upon vesting of restricted stock units        
Issuance of common shares upon vesting of restricted stock units (in shares)   10,313      
Share based compensation     837   837
Net loss       (6,273) (6,273)
Balance at end at Mar. 31, 2019   $ 2 80,732 (67,651) 13,083
Balance at end (in shares) at Mar. 31, 2019   21,450,877      
Balance at beginning at Dec. 31, 2018   $ 2 79,893 (61,378) $ 18,517
Balance at beginning (in shares) at Dec. 31, 2018   21,440,148      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common shares upon cashless exercise of options (in shares)         416
Net loss         $ (17,149)
Balance at end at Sep. 30, 2019   $ 3 102,110 (78,527) 23,586
Balance at end (in shares) at Sep. 30, 2019   28,796,017      
Balance at beginning at Mar. 31, 2019   $ 2 80,732 (67,651) 13,083
Balance at beginning (in shares) at Mar. 31, 2019   21,450,877      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share based compensation     690   690
Net loss       (5,681) (5,681)
Balance at end at Jun. 30, 2019   $ 2 81,422 (73,332) 8,092
Balance at end (in shares) at Jun. 30, 2019   21,450,877      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common shares upon initial public offering, net of offering costs   $ 1 18,240   18,241
Issuance of common shares upon initial public offering, net of offering costs (in shares)   6,666,667      
Issuance of common shares upon exercise of overallotments     1,789   1,789
Issuance of common shares upon exercise of overallotments (in shares)   648,333      
Issuance of common shares upon vesting of restricted stock units        
Issuance of common shares upon vesting of restricted stock units (in shares)   30,140      
Share based compensation     659   659
Net loss       (5,195) (5,195)
Balance at end at Sep. 30, 2019   $ 3 $ 102,110 $ (78,527) $ 23,586
Balance at end (in shares) at Sep. 30, 2019   28,796,017