General form of registration statement for all companies including face-amount certificate companies

Nature of business and summary of significant accounting policies (Details Narrative)

v3.24.2
Nature of business and summary of significant accounting policies (Details Narrative)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 08, 2024
Jul. 01, 2021
USD ($)
$ / shares
shares
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Segment
shares
Dec. 31, 2022
USD ($)
shares
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Stockholders' Equity, Reverse Stock Split 1-for-44          
Minimum liquidity required     $ 3,000   $ 3,000  
Net loss attributable to common stockholders     $ 2,830 $ 3,484 $ 22,770 $ 39,316
Maximum marketing spend ratio     30.00%   30.00%  
Advertising expense     $ 1,100 $ 1,400 $ 6,800 12,200
Restricted cash         6,300
Allowance for credit losses         $ 100 $ 100
Stock repurchased, shares | shares         0 0
Amortization of other deferred charges         $ 2,095
Research and development expense         $ 100 500
Number of operating segments | Segment         1  
Shipping and Handling [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Cost of revenue         $ 1,300 1,600
Money Market Funds [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Cash           $ 8,000
Subsequent Event [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Stockholders' Equity, Reverse Stock Split 1-for-44          
IPO [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Sale of stock, number of shares issued in transaction | shares   181,818        
Sale of stock, price per share | $ / shares   $ 5.00        
Sale of stock, consideration received on transaction   $ 36,100        
Payments of underwriting discounts and commissions   2,800        
Payments of stock issuance costs   $ 1,100        
Conversion of convertible securities | shares   107,555        
Convertible preferred stock, shares issued upon conversion | shares   131,012        
Measurement Input, EBITDA Multiple [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Net loss attributable to common stockholders     $ 4,500   $ 4,500