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Accounting Policies - Narrative (Details)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 18 Months Ended
Dec. 31, 2024
customer
Dec. 31, 2024
USD ($)
Jun. 30, 2025
USD ($)
item
customer
shares
Dec. 31, 2024
USD ($)
customer
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2022
$ / shares
Product Information [Line Items]              
Impairment of long-lived assets     $ 0 $ 0 $ 0    
Number of reporting unit | item     1        
Goodwill impairment loss           $ 0  
Impairment of indefinite-lived intangible asset     $ 0 0      
Cost of goods sold     26,342,000 31,264,000      
Costs of out-bound freight   $ 2,534,000 1,913,000   0    
Advertising expense     36,000 43,000 $ 0    
Paid in kind, noncurrent     $ 300,000        
Paid In kind interest, current       $ 93,000      
Issuance of common stock upon vesting of restricted stock units, shares | shares     0 27,000 0    
Restricted stock issued | shares       27,000      
Grant date fair value | $ / shares       $ 5.64      
Vesting period     3 years        
Stock-based compensation expense     $ 39,000 $ 60,000 $ 44,000    
Antidilutive securities | shares     1,000        
Weighted average exercise price | $ / shares         $ 15.54   $ 14.17
Prepaid expenses     $ 887,000     $ 887,000  
Stock options              
Product Information [Line Items]              
Antidilutive securities | shares     0 0 1,000    
Weighted average exercise price | $ / shares         $ 15.54    
Supplier              
Product Information [Line Items]              
Cost of goods sold     $ (814,000)        
Customer concentration risk | Revenue              
Product Information [Line Items]              
Number of customers | customer 2   4        
Customer concentration risk | Revenue | Customer one              
Product Information [Line Items]              
Concentration risk, percentage 18.00%   17.00%        
Customer concentration risk | Revenue | Customer two              
Product Information [Line Items]              
Concentration risk, percentage 22.00%   16.00%        
Customer concentration risk | Revenue | Customer three              
Product Information [Line Items]              
Concentration risk, percentage     12.00%        
Customer concentration risk | Revenue | Customer four              
Product Information [Line Items]              
Concentration risk, percentage     11.00%        
Customer concentration risk | Revenue | One different customer              
Product Information [Line Items]              
Number of customers | customer 1            
Concentration risk, percentage 13.00%            
Customer concentration risk | Accounts receivable              
Product Information [Line Items]              
Number of customers | customer     2 3      
Customer concentration risk | Accounts receivable | Customer one              
Product Information [Line Items]              
Concentration risk, percentage     26.00% 34.00%      
Customer concentration risk | Accounts receivable | Customer two              
Product Information [Line Items]              
Concentration risk, percentage     10.00% 20.00%      
Customer concentration risk | Accounts receivable | Customer three              
Product Information [Line Items]              
Concentration risk, percentage       11.00%      
Customer concentration risk | Accounts receivable | One different customer              
Product Information [Line Items]              
Number of customers | customer     1        
Concentration risk, percentage     15.00%