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Revenue Recognition (Tables)
9 Months Ended
Sep. 30, 2024
Revenue Recognition  
Summary of Disaggregation of Revenue

Three Months Ended September 30,

Nine Months Ended September 30,

    

2024

    

2023

    

2024

    

2023

Collaborative research, professional services and materials, and sales of quantum computers

$

2,306

$

2,266

$

8,224

$

6,560

Access to quantum computing systems

72

839

292

2,072

$

2,378

$

3,105

$

8,516

$

8,632

    

Three Months Ended September 30,

Nine Months Ended September 30,

    

2024

    

2023

    

2024

    

2023

Revenue recognized at a point in time

$

$

412

$

523

$

748

Revenue recognized over time

 

 

2,378

 

2,693

 

7,993

 

 

7,884

$

2,378

$

3,105

$

8,516

$

8,632

Summary of Accounts receivable, Contract with Customer Assets and Liabilities

Selected condensed consolidated balance sheet line items that reflect accounts receivable, contract assets and liabilities as of September 30, 2024 and December 31, 2023 were as follows (in thousands):

    

September 30, 2024

    

December 31, 2023

    

December 31, 2022

Trade receivables

$

5,851

$

2,650

$

6,143

Unbilled receivables

$

533

$

2,379

$

92

Deferred revenue

$

(886)

$

(343)

$

(961)

Summary of Changes in Deferred Revenue from Contracts with Customers

Nine Months Ended September 30,

    

2024

    

2023

Balance at beginning of period

$

(343)

$

(961)

Deferral of revenue

(771)

(1,829)

Recognition of deferred revenue

228

2,318

Total deferred revenue at end of period

$

(886)

$

(472)