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REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)
 12 Months Ended
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
The following table depicts the disaggregation of revenue by type of products or services and timing of transfer of products or services (in thousands):
Year Ended December 31,
20242023
Type of products or services
QCaaS$6,745 $4,895 
Professional services1,938 3,816 
Other revenue*144 47 
Total revenue$8,827 $8,758 
Timing of revenue recognition
Revenue recognized over time$8,773 $8,569 
Revenue recognized at a point in time54 189 
Total revenue$8,827 $8,758 
*Other revenue includes support and maintenance and printed circuit board sales.
The following table presents a summary of revenue by geography for the years ended December 31, 2024 and 2023, based on customer location (in thousands):
Year Ended December 31,
20242023
United States$2,151 $3,325 
Germany1,894 1,268 
Japan1,133 909 
Canada1,101 432 
Other2,548 2,824 
Total revenue$8,827 $8,758 
Schedule of Significant Customers
The tables below present the significant customers on a percentage of total revenue basis for the years ended December 31, 2024 and 2023.
Year Ended December 31,
20242023
Customer A17 %12 %
Customer B— %11 %
Customer C— %11 %
Schedule of Contract Balances and Revenue Recognized
The following table provides information about account receivable, contract assets and liabilities as of December 31, 2024 and December 31, 2023 (in thousands):
As of December 31,
20242023
Trade accounts receivable and contract assets, net:
Trade accounts receivable, net of allowance for doubtful accounts and excluding unbilled receivables$867 $644 
Contract asset for unbilled receivables553 1,008 
Contract acquisition costs174 — 
Total contract assets$1,594 $1,652 
Contract liabilities:
Deferred revenue, current$18,686 $2,669 
Deferred revenue, non-current670 79 
Customer deposit1
48 45 
Total contract liabilities$19,404 $2,793 
1Customer deposit is included in accrued expenses and other current liabilities on the consolidated balance sheets.
Changes in deferred revenue from contracts with customers were as follows (in thousands):
Year Ended December 31,
20242023
Balance at beginning of period$2,748 $1,790 
Deferral of revenue25,435 7,089 
Recognition of deferred revenue(8,827)(6,131)
Balance at end of period$19,356 $2,748