What changed in this filing

/stocks — the workspaceLOADING

Item 1A. Risk Factors

2025-08-14 compared with 2025-05-15 · 16 added, 17 removed, 5 unchanged (87% of the section changed)

A description of the risks associated with our business,

financial condition and results of operations is set forth in “Item 1A.

Risk Factors” of our annual report on Form 10-K for

the fiscal year ended December 31, 2024, as filed with the Securities and Exchange Commission on April 14, 2025, and are supplemented with the following revised risk factor:

description of the risks associated with our business, financial condition and results of operations is set forth in “Item 1A.

Risk Factors” of our annual report on Form 10-K for the fiscal year ended December 31, 2024, as filed with the Securities and Exchange

Commission on April 14, 2025, and are supplemented with the following revised risk factor:

significant portion of our revenues have historically been concentrated and derived from a few customers.

1 unchanged sentence

of business from customers could have an adverse effect on our business, financial condition and operating results.

We historically have depended, and expect to continue to depend on a small number of customers for a large portion

of our business each quarter, due to the scope of certain contracts.

Any change in the level of orders from customers could have a significant

impact on our results of operations, and a loss of business from customers could have an adverse effect on our business, financial condition

and operating results.

Approximately 39% and 11% of our sales during the three months ended March 31, 2025, were made to Eneridge Inc.

and Verizon Communications Inc., respectively.

The majority of our sales to these customers and other customers in the past were made

pursuant to contract terms and conditions for each project and it is expected that future sales will similarly be made pursuant to the

relevant contract terms and conditions for future contracts.

UNREGISTERED SALES OF EQUITY SECURITIES

AND USE OF PROCEEDS

historically have depended, and expect to continue to depend on a small number of customers for a large portion of our business each

quarter, due to the scope of certain contracts.

Any change in the level of orders from customers could have a significant impact on our

results of operations, and a loss of business from customers could have an adverse effect on our business, financial condition and operating

Approximately

31% and 19% of our revenues during the three months ended June 30, 2025, were made to two customers.

Approximately 14% and 13% of our revenues during the three months ended June 30, 2024, were made to two customers.

Approximately

34% and 13% of our revenues during the six months ended June 30, 2025, were made to two customers.

Approximately 14%, 12% and 10% of our revenues during the six months ended June 30, 2024, were made to three customers.

majority of our sales to these customers and other customers in the past were made pursuant to contract terms and conditions for each

project and it is expected that future sales will similarly be made pursuant to the relevant contract terms and conditions for future

UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

DEFAULTS UPON SENIOR SECURITIES

MINE SAFETY DISCLOSURES

Not applicable.

Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-Q

Item 1A. Risk Factors