Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited)

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Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Balance at Dec. 31, 2022 $ 177 $ 722,049 $ (695,336) $ (129) $ 26,761
Balance, shares at Dec. 31, 2022 17,719,720        
Stock-based compensation expense 770 770
Issuance of common stock in connection with restricted share awards, net of cancellations and shares settled for tax withholding settlement $ 1 (5) (4)
Issuance of common stock in connection with restricted share awards, net of cancellations and shares settled for tax withholding settlement, shares 111,064        
Issuance of common stock, net of offering costs under open market sale agreement (ATM) $ 1 255 256
Issuance of common stock, net of offering costs under open market sale agreement (ATM), shares 98,560        
Net loss (9,107) (9,107)
Other comprehensive income 64 64
Balance at Mar. 31, 2023 $ 179 723,069 (704,443) (65) 18,740
Balance, shares at Mar. 31, 2023 17,929,344        
Balance at Dec. 31, 2023 $ 265 764,151 (749,524) (66) 14,826
Balance, shares at Dec. 31, 2023 26,523,878        
Stock-based compensation expense 1,546 1,546
Issuance of common stock in connection with restricted share awards, net of cancellations and shares settled for tax withholding settlement $ 2 (16) (14)
Issuance of common stock in connection with restricted share awards, net of cancellations and shares settled for tax withholding settlement, shares 137,500        
Issuance of common stock, net of offering costs under open market sale agreement (ATM) $ 9 6,448 6,457
Issuance of common stock, net of offering costs under open market sale agreement (ATM), shares 889,315        
Net loss (31,578) (31,578)
Other comprehensive income (118) (118)
Balance at Mar. 31, 2024 $ 276 $ 772,129 $ (781,102) $ (184) $ (8,881)
Balance, shares at Mar. 31, 2024 27,550,693