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Consolidated Statement of Stockholders' Equity - USD ($)
$ in Thousands
Preferred Stock [Member]
Series C Preferred Stock [Member]
Preferred Stock [Member]
Series D Preferred Stock [Member]
Preferred Stock [Member]
Series E Preferred Stock [Member]
Preferred Stock [Member]
Series F Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Total
Balance at Dec. 31, 2021 $ 1 $ 63,189 $ 60 $ (56,937) $ 6,313
Balance, shares at Dec. 31, 2021 1,399,890        
Stock-based compensation 354 190
Issuance of common stock, net of offering costs of $785,084 $ 1 2,089 2,090
Issuance of common stock, net of offering costs of shares         240,000        
Issuance of redeemable Series F preferred stock
Issuance of redeemable SeriesF preferred stock, shares       27,998,000          
Redemption of redeemable Series F preferred stock
Redemption of redeemable SeriesF preferredstock, shares       (27,998,000)          
Exercise of options 2 2
Exercise of options, shares         1,256        
Other comprehensive loss (78) (78)
Net loss (5,448) (5,448)
Balance at Dec. 31, 2022 $ 2 65,634 (18) (62,385) 3,233
Balance, shares at Dec. 31, 2022 1,641,146        
Stock-based compensation 293 293
Issuance of common stock, net of offering costs of $785,084 4,215 4,215
Issuance of common stock, net of offering costs of shares         180,000        
Exercise of options 7 7
Exercise of options, shares         5,458        
Other comprehensive loss (49) (49)
Net loss (3,711) (3,711)
Exercise of pre-funded warrants
Exercise of pre-funded warrants, shares         203,977        
Rounding-up of fractional shares due to reverse stock split
Rounding up of fractional shares due to stock split, shares         15,726        
Balance at Dec. 31, 2023 $ 2 $ 70,149 $ (67) $ (66,096) $ 3,988
Balance, shares at Dec. 31, 2023 2,046,307