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Condensed Consolidated Statements of Operations - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Revenue            
Total revenue $ 3,301 $ 4,246 $ 10,553 $ 12,074 $ 16,024 $ 16,885
Cost of sales (exclusive of depreciation and amortization shown separately below) 1,403 1,750 4,220 4,439 6,005 4,281
Gross profit 1,898 2,496 6,333 7,635 10,019 12,604
Operating expenses            
General and administrative 4,596 6,622 17,012 22,118 29,041 25,791
Sales and marketing 641 1,106 1,861 3,985 5,340 5,551
Impairment loss         911
Depreciation and amortization 150 175 472 500 669 733
Total operating expenses 5,387 7,903 19,345 26,603 35,050 32,986
Operating loss (3,489) (5,407) (13,012) (18,968) (25,031) (20,382)
Non-operating income (expense)            
Interest expense         (14)
Other expense (53) (36) (198) (152) (190) (9)
PPP loan forgiveness 1,265 1,287
Excess warrant fair value (6,453)    
Change in fair value of warrant liability, net of issuance costs of $645 1,600 10,362    
Loss on inventory write-down (151) (151)      
Other income 9 128 99 89 117
Loss before income taxes (2,093) (5,434) (9,324) (17,756) (23,845) (20,288)
Income tax expense        
Net loss (2,093) (5,434) (9,324) (17,756) (23,845) (20,288)
Net loss attributable to common stockholders $ (2,093) $ (5,434) $ (9,324) $ (17,756) $ (23,845) $ (20,288)
Net loss per share (basic) $ (1.75) $ (6.40) $ (8.09) $ (20.90) $ (25.90) $ (23.88)
Net loss per share (diluted) $ (1.75) $ (6.40) $ (8.09) $ (20.90) $ (25.90) $ (23.88)
Weighted average number of shares of Common Stock outstanding (basic) 1,197,258 849,446 1,152,607 849,446 920,592 849,446
Weighted average number of shares of Common Stock outstanding (diluted) 1,197,258 849,446 1,152,607 849,446 920,592 849,446
Product [Member]            
Revenue            
Total revenue $ 1,466 $ 2,014 $ 4,783 $ 6,357 $ 8,381 $ 6,520
Service [Member]            
Revenue            
Total revenue $ 1,835 $ 2,232 $ 5,770 $ 5,717 $ 7,643 $ 10,365