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Consolidated Statements of Operations - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Sales:    
Total sales, net $ 9,781 $ 10,455
Cost of goods sold 3,300 4,371
Gross profit 6,481 6,084
Operating expenses    
Research and development 42 34
Sales and marketing 4,034 4,705
General and administrative 7,379 5,447
Loss on divestiture of subsidiary 865 0
Total operating expenses 12,320 10,186
Operating loss (5,839) (4,102)
Non-cash gain on changes in fair value of warrant liability 114 272
Extinguishment of Secured Convertible Note (13) 0
Non-cash (loss) gain on changes in fair value of embedded derivative liability (18) 40
Accretion of interest and amortization of discounts on convertible notes (904) (1,694)
Non-cash loss on modification of common stock warrants 0 (292)
Other expense, net (550) (369)
Net loss from continuing operations (7,210) (6,145)
Net income from held-for-sale assets (Note 22) 111 404
Net loss from discontinued operations (Note 21) (124) (3,899)
Net loss (7,223) (9,640)
Less: Increase to accumulated deficit due to adjustment to common stock warrants exercise price (1,005) 0
Less: Increase to accumulated deficit due to adjustment to Preferred Stock conversion prices (380) (7,057)
Net loss attributable to common stockholders $ (8,608) $ (16,967)
Loss per share from continuing operations (in dollars per share) $ (2.53) $ (110.02)
Loss per share from held-for-sale assets and discontinued operation (in dollars per share) (0) (29.12)
Net loss per share attributable to common stockholders (basic and diluted) (in dollars per share) $ (2.53) $ (139.14)
Weighted-average shares of common stock used in computing net loss per share attributable to common stockholders (basic and diluted) (in shares) 3,396 120
Product [Member]    
Sales:    
Total sales, net $ 9,747 $ 10,455
Product and Service, Other [Member]    
Sales:    
Total sales, net $ 34 $ 0