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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]  
Schedule of Changes in Deferred Commissions Changes in deferred commissions for the years ended December 31, 2023 and 2022 are as follows:
20232022
Balance, beginning of the year$136 $148 
Deferral of commissions earned22 55 
Recognition of commission expense(62)(67)
Balance, end of the year$96 $136 
Schedule of Concentration Risk The following table sets forth our concentration of accounts receivable, net of specific allowances for doubtful accounts.
December 31,
20232022
Customer A— %35 %
Customer B43 %4 %
Customer C16 %6 %
Customer D12 %8 %
The following table sets forth our concentration of revenue sources as a percentage of total net revenues:
Year Ended December 31,
20232022
Customer A14 %1 %
Customer B11 %1 %
Customer D10 %4 %
Customer E6 %11 %
Schedule of Accounts Receivable Accounts receivable consisted of the following:


December 31,
20232022
Accounts receivable$636 $845 
Less allowances for doubtful accounts(86)(10)
Accounts receivable, net$550 $835 
Schedule of Changes in Allowance for Doubtful Accounts
Changes in the allowance for doubtful accounts are as follows:

December 31,
20232022
Balance, beginning of year$10 $356 
Provision for doubtful accounts, net of recoveries86 (286)
Write offs(10)(60)
Balance, end of year$86 $10 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share The following table sets forth common stock equivalents that have been excluded from the computation of dilutive weighted average shares outstanding as their inclusion would have been anti-dilutive:


December 31,
20232022
Warrants— 132,651 
Options17,125 19,236 
Restricted stock units96,808 59,160 
Total113,933211,047
Schedule of Financial Instruments Measured at Fair Value Our assets and liabilities measured at fair value on a recurring basis as of December 31, 2023 are set forth below:
Level 1Level 2Level 3Total
Liabilities:
Warrant liability$— $— $— $— 
Total$— $— $— $— 


    Our assets and liabilities measured at fair value on a recurring basis as of December 31, 2022 are set forth below:
Level 1Level 2Level 3Total
Liabilities:
Warrant liability$— $256 $— $256 
Total$— $256 $— $256 
Schedule of Calculated Aggregate Fair Values and Assumptions
The following table sets forth the assumptions used and calculated aggregated fair values of the liability classified warrant:

December 31, 2023December 31, 2022
Strike price per shareN/A$1.42 
Closing price per shareN/A$0.77 
Term (years)N/A0.53
VolatilityN/A102 %
Risk-free rateN/A4.70 %
Dividend Yield——