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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
Common Stock
Additional Paid-in Capital
Treasury Stock, Common
Accumulated Other Comprehensive Loss
Accumulated Deficit
Total
Stockholders equity, Beginning balance at Dec. 31, 2022 $ 2,000 $ 199,492,000 $ (35,000) $ (161,000) $ (150,266,000) $ 49,032,000
Stockholders equity, Beginning balance (in shares) at Dec. 31, 2022 23,312,529          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon stock option exercises $ 0 1,466,000 0 0 0 $ 1,466,000
Issuance of common stock upon stock option exercises (in shares) 1,239,899         1,239,899
Stock-based compensation $ 0 2,208,000 0 0 0 $ 2,208,000
Stock based compensation (in shares) 0          
Vesting of restricted common stock $ 0 1,000 0 0 0 1,000
Vesting of restricted common stock (in shares) 3,946          
Vesting of restricted stock units, net of withholding $ 0 0 (19,000) 0 0 (19,000)
Vesting of restricted stock units, net of withholding (in shares) 15,578          
Unrealized (loss) gain on marketable securities $ 0 0 0 159,000 0 159,000
Net Income (Loss) 0 0 0 0 (27,169,000) (27,169,000)
Stockholders equity, Ending balance at Jun. 30, 2023 $ 4,000 249,668,000 (54,000) (2,000) (177,435,000) 72,181,000
Stockholders equity, Ending balance (in shares) at Jun. 30, 2023 42,381,952          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock, purchase warrants and pre-funded warrants for the purchase of common stock, net of underwriting discounts, commissions and offering costs $ 2,000 46,501,000 0 0 0 46,503,000
Issuance of common stock, purchase warrants and pre-funded warrants for the purchase of common stock, net of underwriting discounts, commissions and offering costs (in shares) 17,810,000          
Stockholders equity, Beginning balance at Mar. 31, 2023 $ 2,000 201,185,000 (47,000) (51,000) (167,325,000) 33,764,000
Stockholders equity, Beginning balance (in shares) at Mar. 31, 2023 23,786,337          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon at-the-market offering, net of issuance costs $ 2,000 46,501,000       46,503,000
Issuance of common stock upon at-the-market offering, net of issuance costs (in shares) 17,810,000          
Issuance of common stock upon stock option exercises   1,238,000       1,238,000
Issuance of common stock upon stock option exercises (in shares) 777,826          
Stock-based compensation   744,000       744,000
Vesting of restricted stock units, net of withholding     (7,000)     (7,000)
Vesting of restricted stock units, net of withholding (in shares) 7,789          
Unrealized (loss) gain on marketable securities       49,000   49,000
Net Income (Loss)         (10,110,000) (10,110,000)
Stockholders equity, Ending balance at Jun. 30, 2023 $ 4,000 249,668,000 (54,000) (2,000) (177,435,000) 72,181,000
Stockholders equity, Ending balance (in shares) at Jun. 30, 2023 42,381,952          
Stockholders equity, Beginning balance at Dec. 31, 2023 $ 4,000 250,825,000 (59,000) 9,000 (195,970,000) 54,809,000
Stockholders equity, Beginning balance (in shares) at Dec. 31, 2023 42,422,531          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon at-the-market offering, net of issuance costs $ 1,000 44,206,000 0 0   44,207,000
Issuance of common stock upon at-the-market offering, net of issuance costs (in shares) 11,625,295          
Issuance of common stock upon stock option exercises $ 0 487,000 0 0   $ 487,000
Issuance of common stock upon stock option exercises (in shares) 366,947         366,947
Issuance of common stock upon exercise of common warrants $ 0 450,000 0 0   $ 450,000
Issuance of common stock upon exercise of common warrants (in shares) 200,000          
Warrant issuance $ 0 261,000 0 0   261,000
Stock-based compensation $ 0 1,949,000 0 0   1,949,000
Stock based compensation (in shares) 0          
Vesting of restricted stock units, net of withholding $ 0 0 (42,000) 0   (42,000)
Vesting of restricted stock units, net of withholding (in shares) 39,722          
Unrealized (loss) gain on marketable securities $ 0 0 0 (35,000)   (35,000)
Net Income (Loss) 0 0 0 0 (21,168,000) (21,168,000)
Stockholders equity, Ending balance at Jun. 30, 2024 $ 5,000 298,178,000 (101,000) (26,000) (217,138,000) 80,918,000
Stockholders equity, Ending balance (in shares) at Jun. 30, 2024 54,654,495          
Stockholders equity, Beginning balance at Mar. 31, 2024 $ 5,000 282,575,000 (85,000)   (206,677,000) 75,818,000
Stockholders equity, Beginning balance (in shares) at Mar. 31, 2024 51,679,383          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon at-the-market offering, net of issuance costs   14,551,000       14,551,000
Issuance of common stock upon at-the-market offering, net of issuance costs (in shares) 2,958,879          
Issuance of common stock upon stock option exercises   5,000       5,000
Issuance of common stock upon stock option exercises (in shares) 4,000          
Stock-based compensation   1,047,000       1,047,000
Vesting of restricted stock units, net of withholding     (16,000)     (16,000)
Vesting of restricted stock units, net of withholding (in shares) 12,233          
Unrealized (loss) gain on marketable securities       (26,000)   (26,000)
Net Income (Loss)         (10,461,000) (10,461,000)
Stockholders equity, Ending balance at Jun. 30, 2024 $ 5,000 $ 298,178,000 $ (101,000) $ (26,000) $ (217,138,000) $ 80,918,000
Stockholders equity, Ending balance (in shares) at Jun. 30, 2024 54,654,495