Quarterly report pursuant to Section 13 or 15(d)

Business and Summary of Significant Accounting Policies (Details)

v3.23.2
Business and Summary of Significant Accounting Policies (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 20, 2023
USD ($)
Feb. 13, 2023
$ / shares
Jan. 24, 2023
Jan. 18, 2023
$ / shares
Dec. 19, 2022
Jun. 23, 2022
$ / shares
Jun. 30, 2023
USD ($)
customer
Jun. 30, 2022
USD ($)
customer
Jun. 30, 2023
USD ($)
customer
segment
shares
Jun. 30, 2022
USD ($)
customer
shares
Dec. 31, 2022
USD ($)
customer
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Business and Summary of Significant Accounting Policies                            
Closing bid price | $ / shares   $ 1.00   $ 0.10   $ 1.00                
Extension period to regain compliance with Minimum Bid Price Requirement         180 days                  
Consecutive business days to maintain bid price requirement   10 days   10 days                    
Stockholders' Equity Requirement $ 2,500,000           $ 2,500,000   $ 2,500,000   $ 2,500,000      
Stockholders' equity (deficit) $ 1,996,000                          
Stockholders' equity             5,861,000 $ 9,384,000 $ 5,861,000 $ 9,384,000 (1,996,000) [1] $ 7,763,000 $ 12,986,000 $ 16,377,000
Number of operating segments | segment                 1          
Reverse stock split     0.01           0.01          
Allowance for doubtful accounts             0   $ 0   0      
Deferred offering costs             11,000   $ 11,000   $ 206,000      
Remaining performance obligation                 false          
Advertising costs             118,000 231,000 $ 273,000 404,000        
Deemed dividends             $ 0 $ 0 $ 0 $ 0        
Warranty period of company products                 1 year          
Warrant                            
Business and Summary of Significant Accounting Policies                            
Antidilutive securities excluded from computation of earnings per share, amount | shares                 5,635,867 44,407        
Restricted stock                            
Business and Summary of Significant Accounting Policies                            
Antidilutive securities excluded from computation of earnings per share, amount | shares                 10,386 15,792        
Restricted stock units                            
Business and Summary of Significant Accounting Policies                            
Antidilutive securities excluded from computation of earnings per share, amount | shares                 2,667 62,906        
Convertible Preferred Stock                            
Business and Summary of Significant Accounting Policies                            
Antidilutive securities excluded from computation of earnings per share, amount | shares                 5,466 4,216        
Accounts Receivable | Customer Concentration Risk                            
Business and Summary of Significant Accounting Policies                            
Number of customers | customer                 3   2      
Accounts Receivable | Customer Concentration Risk | Customer 1                            
Business and Summary of Significant Accounting Policies                            
Concentration risk, percentage                 31.00%   62.00%      
Accounts Receivable | Customer Concentration Risk | Customer 2                            
Business and Summary of Significant Accounting Policies                            
Concentration risk, percentage                 29.00%   12.00%      
Accounts Receivable | Customer Concentration Risk | Customer 3                            
Business and Summary of Significant Accounting Policies                            
Concentration risk, percentage                 17.00%          
Sales Revenue, Net | Customer Concentration Risk                            
Business and Summary of Significant Accounting Policies                            
Number of customers | customer             4 5 2 4        
Sales Revenue, Net | Customer Concentration Risk | Customer 1                            
Business and Summary of Significant Accounting Policies                            
Concentration risk, percentage             35.00% 25.00% 29.00% 21.00%        
Sales Revenue, Net | Customer Concentration Risk | Customer 2                            
Business and Summary of Significant Accounting Policies                            
Concentration risk, percentage             13.00% 12.00% 17.00% 16.00%        
Sales Revenue, Net | Customer Concentration Risk | Customer 3                            
Business and Summary of Significant Accounting Policies                            
Concentration risk, percentage             12.00% 12.00%   13.00%        
Sales Revenue, Net | Customer Concentration Risk | Customer 4                            
Business and Summary of Significant Accounting Policies                            
Concentration risk, percentage             11.00% 12.00%   13.00%        
Sales Revenue, Net | Customer Concentration Risk | Customer 5                            
Business and Summary of Significant Accounting Policies                            
Concentration risk, percentage               10.00%            
[1] The condensed consolidated balance sheet as of December 31, 2022 was derived from the audited consolidated balance sheet as of that date.