Note 12 – Revenue Recognition

The following tables depict the disaggregation of revenue by product or service and geographic region of the customers for the years ended December 31, 2025 and 2024:

For the year ended December 31,

Revenue by product/service

  ​ ​ ​

2025

  ​ ​ ​

2024

PowerBridge sales and shipping

$

5,523

$

676

Other

 

107

 

92

Total revenue

$

5,630

$

768

For the year ended December 31,

Revenue by geographic region

  ​ ​ ​

2025

  ​ ​ ​

2024

United States

$

5,186

$

651

Europe

 

420

 

82

Other

24

35

Total revenue

$

5,630

$

768

Substantially all revenue recognized during 2025 and 2024 was recognized at a point in time.

Selected balance sheet line items that reflect accounts receivable and contract liabilities as of December 31, 2025, 2024 and 2023 were as follows (in thousands):

Balances as of December 31,

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Trade receivables

$

2,988

$

78

$

102

Deferred revenue

$

27

$

13

$

27

Customer deposits

$

32

$

$

The Company expects to satisfy its obligations under deferred revenue and collect all net trade receivables within one year of December 31, 2025.

About Revenue Disclosures

Revenue disclosures under ASC 606 explain how a company identifies performance obligations, allocates transaction prices, and determines when revenue is recognized. This section is essential for understanding whether reported revenue reflects genuine economic activity or aggressive accounting choices. Analysts examine the mix of point-in-time versus over-time recognition, which directly affects revenue timing and comparability.

Key signals: rising contract liabilities (deferred revenue) suggest strong future revenue visibility, while declining contract assets may indicate slowing project milestones. Watch for variable consideration estimates — rebates, returns, and performance bonuses that require management judgment. Significant changes in disaggregated revenue by geography or product line can reveal shifting business mix before it appears in headline numbers. Compare revenue growth against contract liability growth to assess sustainability, and scrutinize any changes in the timing of recognition that coincide with earnings pressure.