Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Changes in Stockholders' Equity

v3.23.3
Condensed Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2021 $ 2 $ 111,588 $ (89,368) $ 22,222
Balance (in shares) at Dec. 31, 2021 18,845,828      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock in connection with the at-the-market program and purchase agreement $ 0 1,208 0 1,208
Issuance of common stock in connection with the at-the-market program and purchase agreement (in shares) 336,544      
Issuance costs $ 0 (35) 0 (35)
Stock-based compensation $ 0 445 0 445
Stock-based compensation (in shares) 6,970      
Exercise of stock options $ 0 27 0 27
Exercise of stock options (in shares) 24,309      
Net and comprehensive income (loss) $ 0 0 (6,595) (6,595)
Balance at Mar. 31, 2022 $ 2 113,233 (95,963) 17,272
Balance (in shares) at Mar. 31, 2022 19,213,651      
Balance at Dec. 31, 2021 $ 2 111,588 (89,368) 22,222
Balance (in shares) at Dec. 31, 2021 18,845,828      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net and comprehensive income (loss)       (16,053)
Balance at Sep. 30, 2022 $ 2 117,296 (105,421) 11,877
Balance (in shares) at Sep. 30, 2022 20,801,506      
Balance at Mar. 31, 2022 $ 2 113,233 (95,963) 17,272
Balance (in shares) at Mar. 31, 2022 19,213,651      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock in connection with the at-the-market program and purchase agreement $ 0 1,858 0 1,858
Issuance of common stock in connection with the at-the-market program and purchase agreement (in shares) 877,927      
Issuance costs $ 0 (53) 0 (53)
Stock-based compensation $ 0 445 0 445
Stock-based compensation (in shares) 8,024      
Net and comprehensive income (loss) $ 0 0 (4,927) (4,927)
Balance at Jun. 30, 2022 $ 2 115,483 (100,890) 14,595
Balance (in shares) at Jun. 30, 2022 20,099,602      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock in connection with the at-the-market program and purchase agreement $ 0 1,362 0 1,362
Issuance of common stock in connection with the at-the-market program and purchase agreement (in shares) 634,509      
Issuance costs $ 0 (42) 0 (42)
Stock-based compensation $ 0 493 0 493
Stock-based compensation (in shares) 66,372      
Exercise of Series B warrants $ 0 0 0 0
Exercise of Series B warrants (in shares) 1,023      
Net and comprehensive income (loss) $ 0 0 (4,531) (4,531)
Balance at Sep. 30, 2022 $ 2 117,296 (105,421) 11,877
Balance (in shares) at Sep. 30, 2022 20,801,506      
Balance at Dec. 31, 2022 $ 2 117,717 (71,480) 46,239
Balance (in shares) at Dec. 31, 2022 20,861,315      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance costs $ 0 (2) 0 (2)
Stock-based compensation $ 0 804 0 804
Stock-based compensation (in shares) 68,646      
Exercise of Series B warrants $ 0 0 0 0
Exercise of Series B warrants (in shares) 17,869      
Net and comprehensive income (loss) $ 0 0 (5,791) (5,791)
Balance at Mar. 31, 2023 $ 2 118,519 (77,271) 41,250
Balance (in shares) at Mar. 31, 2023 20,947,830      
Balance at Dec. 31, 2022 $ 2 117,717 (71,480) 46,239
Balance (in shares) at Dec. 31, 2022 20,861,315      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net and comprehensive income (loss)       (5,191)
Balance at Sep. 30, 2023 $ 2 126,951 (76,671) 50,282
Balance (in shares) at Sep. 30, 2023 22,610,131      
Balance at Mar. 31, 2023 $ 2 118,519 (77,271) 41,250
Balance (in shares) at Mar. 31, 2023 20,947,830      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance costs $ 0 (7) 0 (7)
Stock-based compensation $ 0 1,422 0 1,422
Stock-based compensation (in shares) 37,954      
Net and comprehensive income (loss) $ 0 0 (4,961) (4,961)
Balance at Jun. 30, 2023 $ 2 119,934 (82,232) 37,704
Balance (in shares) at Jun. 30, 2023 20,985,784      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock in connection with the at-the-market program and purchase agreement $ 0 6,504 0 6,504
Issuance of common stock in connection with the at-the-market program and purchase agreement (in shares) 1,624,347      
Issuance costs $ 0 (60) 0 (60)
Stock-based compensation $ 0 573 0 573
Stock-based compensation (in shares) 0      
Net and comprehensive income (loss) $ 0 0 5,561 5,561
Balance at Sep. 30, 2023 $ 2 $ 126,951 $ (76,671) $ 50,282
Balance (in shares) at Sep. 30, 2023 22,610,131