v3.22.2.2
Summary of Significant Accounting Policies - Additional Information (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2021
Sep. 30, 2022
USD ($)
Customer
Jun. 30, 2022
USD ($)
Mar. 31, 2022
USD ($)
Sep. 30, 2021
USD ($)
Customer
Jun. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Sep. 30, 2022
USD ($)
Customer
Sep. 30, 2021
USD ($)
Customer
Dec. 31, 2022
Dec. 31, 2021
USD ($)
segment
Customer
Dec. 31, 2020
USD ($)
Accounts Receivable                        
Accounts receivable allowances               $ 0 $ (9)   $ 66 $ 36
Reserve for sales returns   $ 16           16     16 31
Inventory                        
Less reserve for obsolescence   0           0     0 8
Cash and cash equivalents                        
Cash equivalents   6,000           6,000     $ 12,793 639
Property, Plant and Equipment                        
Property, plant and equipment, estimated useful lives                     four years  
Depreciation               7 6   $ 8 8
Reverse Stock Split                        
Stockholders equity reverse stock split conversion ratio 1-for-4 reverse stock split                      
Tangible Asset Impairment Charges                        
Tangible asset impairment charges                     0  
Sales and Marketing Expenses                        
Advertising and other promotional costs                     $ 660 688
Segment Reporting                        
Number of operating segments | segment                     1  
Income Taxes                        
Unrecognized tax benefits, Income tax penalties and interest expense                     $ 0 0
Revenue Recognition                        
Contract liability related to deferred revenues   0           0     3  
Contract liability related to deferred revenues                     3 2
Deferred revenue for unrecognized extended warranties                     12 14
Net loss   (2,584) $ (3,018) $ (2,240) $ (2,320) $ (1,094) $ (1,356) (7,842) (4,770)   (8,494) (3,639)
Cash and cash equivalents   6,328           6,328     12,975 1,044
Accumulated deficit   (27,388)           (27,388)     $ (19,546) $ (11,052)
Working capital   5,600           $ 5,600        
Product warranty limited period               1 year        
Assumed dividend yield               0.00%     0.00% 0.00%
Cash and cash equivalents balances exceeding FDIC insured limits   5,800           $ 5,800     $ 12,543 $ 107
Percentage of outsource of contract manufacturing               100.00%        
Previously Reported [Member]                        
Accounts Receivable                        
Accounts receivable allowances                     82 5
Shipping and Handling [Member]                        
Revenue Recognition                        
Shipping and handling fees paid by customers   0     1     $ 3 3   $ 5 $ 6
Shipping costs for delivery of product to customers   $ 16     $ 15     $ 81 $ 57      
Accounts Receivable [Member] | Credit Concentration Risk [Member] | Customer one                        
Revenue Recognition                        
Concentration risk (as a percent)               69.00%     40.00% 100.00%
Accounts Receivable [Member] | Credit Concentration Risk [Member] | Customer one | Previously Reported [Member]                        
Revenue Recognition                        
Concentration risk (as a percent)                     54.00%  
Accounts Receivable [Member] | Credit Concentration Risk [Member] | Customer two                        
Revenue Recognition                        
Number of reseller customer | Customer   2           2     2  
Concentration risk (as a percent)               15.00%     28.00%  
Accounts Receivable [Member] | Credit Concentration Risk [Member] | Customer two | Previously Reported [Member]                        
Revenue Recognition                        
Concentration risk (as a percent)                     39.00%  
Revenue from Contract with Customer, Product and Service Benchmark [Member] | Customer Concentration Risk [Member] | Customer one                        
Revenue Recognition                        
Number of reseller customers | Customer   1           1        
Concentration risk (as a percent)   22.00%     28.00%     17.00% 16.00%   22.00% 23.00%
Revenue from Contract with Customer, Product and Service Benchmark [Member] | Customer Concentration Risk [Member] | Customer two                        
Revenue Recognition                        
Number of reseller customers | Customer         2       2      
Concentration risk (as a percent)         15.00%       11.00%   12.00% 15.00%
Revenue from Contract with Customer, Product and Service Benchmark [Member] | Geographic Concentration Risk [Member] | Major Customer | Scenario Forecast                        
Revenue Recognition                        
Concentration risk (as a percent)                   80.00%