Quarterly report [Sections 13 or 15(d)]

Business and Summary of Significant Accounting Policies - Narratives (Details)

v3.25.3
Business and Summary of Significant Accounting Policies - Narratives (Details)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 04, 2024
Apr. 30, 2024
Sep. 30, 2025
USD ($)
customer
shares
Sep. 30, 2024
USD ($)
customer
Sep. 30, 2025
USD ($)
segment
customer
shares
Sep. 30, 2024
USD ($)
customer
shares
Dec. 31, 2024
USD ($)
customer
Jun. 30, 2025
USD ($)
Business and Summary of Significant Accounting Policies                
Reverse stock split ratio 0.0067 0.0067            
Amount of assets incorrectly omitted         $ 4,300,000      
Amount of investments incorrectly omitted         1,800,000      
Amount of notes receivable incorrectly omitted         2,500,000      
Amount of additional paid-in-capital understated         4,900,000      
Amount of research and development expense overstated         500,000      
Allowance for credit losses     $ 0   0   $ 0  
Allowance for credit losses deemed     0   0   0  
Deferred offering costs capitalized     243,000   $ 243,000   0  
Warranty period of company products (in years)         1 year      
Number of operating segments | segment         1      
Practical expedient applied for remaining performance obligation         false      
Advertising costs     72,000 $ 201,000 $ 247,000 $ 465,000    
Interest and penalties         0   $ 0  
Capitalized contract cost net     273,000   273,000      
Capitalized contract cost amortization         170,000      
Capitalized contract cost impairment loss         0      
NYIAX                
Business and Summary of Significant Accounting Policies                
Recorded investment value     4,300,000   4,300,000     $ 1,800,000
Decreased research and development expense     $ 500,000   $ 500,000      
License Agreement                
Business and Summary of Significant Accounting Policies                
Issuance of common stock with NYIAX transaction (in shares) | shares     2,530,000          
Maximum                
Business and Summary of Significant Accounting Policies                
Estimated useful life of property and equipment (in years)     5 years   5 years      
Minimum                
Business and Summary of Significant Accounting Policies                
Estimated useful life of property and equipment (in years)     2 years   2 years      
Warrant                
Business and Summary of Significant Accounting Policies                
Antidilutive securities excluded from computation of earnings per share (in shares) | shares         31,232,173 9,375,730    
Restricted stock                
Business and Summary of Significant Accounting Policies                
Antidilutive securities excluded from computation of earnings per share (in shares) | shares         500,000 698,279    
Restricted stock units                
Business and Summary of Significant Accounting Policies                
Antidilutive securities excluded from computation of earnings per share (in shares) | shares         1,150,000 70,016    
Restricted stock awards                
Business and Summary of Significant Accounting Policies                
Antidilutive securities excluded from computation of earnings per share (in shares) | shares         8,595,182      
Convertible Preferred Stock                
Business and Summary of Significant Accounting Policies                
Antidilutive securities excluded from computation of earnings per share (in shares) | shares         12 14    
Series A Preferred Stock                
Business and Summary of Significant Accounting Policies                
Dividend rate (in %)         8.00%      
Accounts Receivable | Customer Concentration Risk                
Business and Summary of Significant Accounting Policies                
Number of customers | customer     1   2   3  
Accounts Receivable | Customer Concentration Risk | Customer 1                
Business and Summary of Significant Accounting Policies                
Concentration risk percentage (in %)         29.00%   68.00%  
Accounts Receivable | Customer Concentration Risk | Customer 2                
Business and Summary of Significant Accounting Policies                
Concentration risk percentage (in %)         17.00%   12.00%  
Accounts Receivable | Customer Concentration Risk | Customer 3                
Business and Summary of Significant Accounting Policies                
Concentration risk percentage (in %)             11.00%  
Net Revenue | Customer Concentration Risk                
Business and Summary of Significant Accounting Policies                
Number of customers | customer       1 1 3    
Net Revenue | Customer Concentration Risk | Customer 1                
Business and Summary of Significant Accounting Policies                
Concentration risk percentage (in %)     19.00% 56.00% 12.00% 38.00%    
Net Revenue | Customer Concentration Risk | Customer 2                
Business and Summary of Significant Accounting Policies                
Concentration risk percentage (in %)           15.00%    
Net Revenue | Customer Concentration Risk | Customer 3                
Business and Summary of Significant Accounting Policies                
Concentration risk percentage (in %)           12.00%