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Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands | Preferred Stock [Member] Series F-2 Warrants [Member] | Preferred Stock [Member] Series F-3 Warrants [Member] | Preferred Stock [Member] The 2022 Warrant Reprice Transaction [Member] | Preferred Stock [Member] The December 2023 Warrants [Member] | Preferred Stock [Member] March 2024 Warrant [Member] | Preferred Stock [Member] June 2024 Warrant [Member] | Preferred Stock [Member] Series F-1 Warrants [Member] | Preferred Stock [Member] Conversion of Series B Preferred Stock to Common Stock [Member] | Preferred Stock [Member] Conversion of Series C Preferred Stock to Common Stock [Member] | Preferred Stock [Member] Series C Preferred Stock [Member] | Preferred Stock [Member] Series D Preferred Stock [Member] | Preferred Stock [Member] Series F Preferred Stock [Member] | Preferred Stock [Member] Employees and Directors [Member] | Preferred Stock [Member] Director [Member] | Preferred Stock [Member] | Common Stock [Member] Series F-2 Warrants [Member] | Common Stock [Member] Series F-3 Warrants [Member] | Common Stock [Member] The 2022 Warrant Reprice Transaction [Member] | Common Stock [Member] The December 2023 Warrants [Member] | Common Stock [Member] March 2024 Warrant [Member] | Common Stock [Member] June 2024 Warrant [Member] | Common Stock [Member] Series F-1 Warrants [Member] | Common Stock [Member] Conversion of Series B Preferred Stock to Common Stock [Member] | Common Stock [Member] Conversion of Series C Preferred Stock to Common Stock [Member] | Common Stock [Member] Series C Preferred Stock [Member] | Common Stock [Member] Series D Preferred Stock [Member] | Common Stock [Member] Series F Preferred Stock [Member] | Common Stock [Member] Employees and Directors [Member] | Common Stock [Member] Director [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] Series F-2 Warrants [Member] | Additional Paid-in Capital [Member] Series F-3 Warrants [Member] | Additional Paid-in Capital [Member] The 2022 Warrant Reprice Transaction [Member] | Additional Paid-in Capital [Member] The December 2023 Warrants [Member] | Additional Paid-in Capital [Member] March 2024 Warrant [Member] | Additional Paid-in Capital [Member] June 2024 Warrant [Member] | Additional Paid-in Capital [Member] Series F-1 Warrants [Member] | Additional Paid-in Capital [Member] Conversion of Series B Preferred Stock to Common Stock [Member] | Additional Paid-in Capital [Member] Conversion of Series C Preferred Stock to Common Stock [Member] | Additional Paid-in Capital [Member] Series C Preferred Stock [Member] | Additional Paid-in Capital [Member] Series D Preferred Stock [Member] | Additional Paid-in Capital [Member] Series F Preferred Stock [Member] | Additional Paid-in Capital [Member] Employees and Directors [Member] | Additional Paid-in Capital [Member] Director [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] Series F-2 Warrants [Member] | Retained Earnings [Member] Series F-3 Warrants [Member] | Retained Earnings [Member] The 2022 Warrant Reprice Transaction [Member] | Retained Earnings [Member] The December 2023 Warrants [Member] | Retained Earnings [Member] March 2024 Warrant [Member] | Retained Earnings [Member] June 2024 Warrant [Member] | Retained Earnings [Member] Series F-1 Warrants [Member] | Retained Earnings [Member] Conversion of Series B Preferred Stock to Common Stock [Member] | Retained Earnings [Member] Conversion of Series C Preferred Stock to Common Stock [Member] | Retained Earnings [Member] Series C Preferred Stock [Member] | Retained Earnings [Member] Series D Preferred Stock [Member] | Retained Earnings [Member] Series F Preferred Stock [Member] | Retained Earnings [Member] Employees and Directors [Member] | Retained Earnings [Member] Director [Member] | Retained Earnings [Member] | Series F-2 Warrants [Member] | Series F-3 Warrants [Member] | The 2022 Warrant Reprice Transaction [Member] | The December 2023 Warrants [Member] | March 2024 Warrant [Member] | June 2024 Warrant [Member] | Series F-1 Warrants [Member] | Conversion of Series B Preferred Stock to Common Stock [Member] | Conversion of Series C Preferred Stock to Common Stock [Member] | Series C Preferred Stock [Member] | Series D Preferred Stock [Member] | Series F Preferred Stock [Member] | Employees and Directors [Member] | Director [Member] | Total
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Balance (in shares) at Dec. 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 321,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,950 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 176,210 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (174,849) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,314
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,214) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,214)
Stock-based compensation expense related to employee and director stock awards |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60 |  |
Balance (in shares) at Mar. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 915,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Mar. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,485 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 177,109 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (178,443) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160
Conversion of Preferred Stock to common stock (in shares) |  |  |  |  |  |  |  | (5,000) | (0) |  |  |  |  |  |  |  |  |  |  |  |  |  | 537,000 | 57,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Preferred Stock to common stock |  |  |  |  |  |  |  | $ (231) | $ (234) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5 | $ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 226 | $ 233 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |
Adjustment of Preferred Stock conversion price |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 380 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (380) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |
Balance (in shares) at Dec. 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 321,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,950 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 176,210 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (174,849) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,314
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (6,011)
Issuance of Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |
Deemed Capital Contribution pursuant to Series F Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Balance (in shares) at Sep. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,885,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Sep. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 183,262 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (182,245) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,072
Balance (in shares) at Mar. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 915,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Mar. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,485 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 177,109 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (178,443) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,585) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,585)
Stock Issued In Connection with Exercise of Warrants, Shares (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued In Connection with Exercise of Warrants, Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 129 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 130
Stock-based compensation expense related to employee and director stock awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 55 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 55 |  |
Vesting of director restricted stock awards |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |
Stock Issued In Connection with Exercise of Warrants, Value (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued In Connection with Exercise of Warrants, Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 129 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 130
Balance (in shares) at Jun. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,348,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Jun. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 179,392 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (180,028) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (617)
Conversion of Preferred Stock to common stock (in shares) |  |  |  |  |  |  |  | (0) | (1,000) |  |  |  |  |  |  |  |  |  |  |  |  |  | 88,000 | 148,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Preferred Stock to common stock |  |  |  |  |  |  |  | $ (37) | $ (1,442) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 | $ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 36 | $ 1,441 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |
Modification of common stock warrants in connection with 2024 Warrant Reprice Transaction |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 69 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 69 |  |  |  |  |  |  |  |  |  |  |  |
Reclassification of Warrants from liability |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 212 | $ 100 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 212 | $ 100 |  |  |  |  |  |  |  |  |  |
Reclassification of embedded derivative liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 242 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 242
Shares issued for 35:1 reverse stock split due to rounding feature (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 107,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued for 35:1 reverse stock split due to rounding feature |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,212) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,212)
Stock Issued In Connection with Exercise of Warrants, Shares (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,042,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued In Connection with Exercise of Warrants, Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 21 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21
Stock-based compensation expense related to employee and director stock awards |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22
Stock Issued In Connection with Exercise of Warrants, Value (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,042,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued In Connection with Exercise of Warrants, Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 21 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21
Balance (in shares) at Sep. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,885,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Sep. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 183,262 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (182,245) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,072
Modification of common stock warrants in connection with 2024 Warrant Reprice Transaction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,005 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,005) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Issuance of common stock and prefunded warrants in an underwrittenregistered direct offering, net of issuance cost (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,495,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock and prefunded warrants in an underwrittenregistered direct offering, net of issuance cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,843 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,858
Balance (in shares) at Dec. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,885,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 183,273 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (183,457) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (129)
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,670 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,670
Stock Issued In Connection with Exercise of Warrants, Shares (in shares) | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | 403,000 | 528,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued In Connection with Exercise of Warrants, Value | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4 | $ 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 262 | $ 343 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 266 | $ 348 |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,990) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,990)
Stock-based compensation expense related to employee and director stock awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Stock Issued In Connection with Exercise of Warrants, Value (in shares) | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | 403,000 | 528,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued In Connection with Exercise of Warrants, Value | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4 | $ 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 262 | 343 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 266 | 348 |  |  |  |  |  |  |  |  |  |  |  |  |
Balance (in shares) at Mar. 31, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,816,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Mar. 31, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 58 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 181,890 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (175,787) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,167
Balance (in shares) at Dec. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,885,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 183,273 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (183,457) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (129)
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,455
Issuance of Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,484 |  |  |
Deemed Capital Contribution pursuant to Series F Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 433
Balance (in shares) at Sep. 30, 2025 |  |  |  |  |  |  |  |  |  |  |  | 1,987,000 |  |  | 482,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,011,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Sep. 30, 2025 |  |  |  |  |  |  |  |  |  |  |  | $ 525 |  |  | $ 3,792 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 181,074 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (183,817) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,109
Balance (in shares) at Mar. 31, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,816,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Mar. 31, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 58 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 181,890 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (175,787) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,167
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,922) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,922)
Repurchase of warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (4) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (4)
Stock-based compensation expense related to employee and director stock awards |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4 |  |
Vesting of director restricted stock awards (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting of director restricted stock awards |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |
Balance (in shares) at Jun. 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,821,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Jun. 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 58 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 181,890 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (177,709) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,245
Net loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,293) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,293)
Stock Issued In Connection with Exercise of Warrants, Shares (in shares) |  | 0 |  |  |  | 0 | 0 |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  | 59,000 | 129,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 58,754 |  |  |  |  |  |  |  |  |
Stock Issued In Connection with Exercise of Warrants, Value |  | $ 0 |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  | $ 1 | $ 1 |  |  |  |  |  |  |  |  |  | 1 |  |  |  | $ 150 | $ 84 |  |  |  |  |  |  |  |  |  | 0 |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  | 1 |  |  |  | $ 151 | $ 85 |  |  |  |  |  |  |  |
Issuance of Preferred Stock (in shares) |  |  |  |  |  |  |  |  |  |  | 481,000 | 1,987,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of Preferred Stock |  |  |  |  |  |  |  |  |  |  | $ 3,786 | $ 525 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,786 |  |  |  |
Issuance of Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (1,484) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,484) |  |  |
Deemed Capital Contribution pursuant to Series F Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 433 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 433 |  |  |
Stock Issued In Connection with Exercise of Warrants, Value (in shares) |  | 0 |  |  |  | 0 | 0 |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  | 59,000 | 129,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 58,754 |  |  |  |  |  |  |  |  |
Stock Issued In Connection with Exercise of Warrants, Value |  | $ 0 |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  | $ 1 | $ 1 |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  | $ 150 | $ 84 |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  | $ 151 | $ 85 |  |  |  |  |  |  |  |
Dividend Paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (4,815) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (4,815)
Balance (in shares) at Sep. 30, 2025 |  |  |  |  |  |  |  |  |  |  |  | 1,987,000 |  |  | 482,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,011,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Sep. 30, 2025 |  |  |  |  |  |  |  |  |  |  |  | $ 525 |  |  | $ 3,792 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 181,074 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (183,817) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,109

X
- Definition Amount of adjustment to additional paid in capital deemed capital contribution. + References No definition available. + Details
Name: | nby_AdjustmentsToAdditionalPaidInCapitalDeemedCapitalContribution
Namespace Prefix: | nby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in additional paid in capital (APIC) resulting from down round feature adjustment related to preferred stock. + References No definition available. + Details
Name: | nby_AdjustmentsToAdditionalPaidInCapitalDownRoundFeatureAdjustmentRelatedToPreferredStock
Namespace Prefix: | nby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase to APIC from modification of warrant. + References No definition available. + Details
Name: | nby_AdjustmentsToAdditionalPaidInCapitalModificationOfWarrant
Namespace Prefix: | nby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of additional paid in capital of warrants repurchased. + References No definition available. + Details
Name: | nby_AdjustmentsToAdditionalPaidInCapitalWarrantRepurchase
Namespace Prefix: | nby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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