v3.26.1
Accounting policies (Tables)
6 Months Ended
Jun. 30, 2026
Accounting policies  
Schedule of Disaggregation of revenue

The following table presents the Company’s revenue disaggregated by revenue source.

Three Months Ended June 30, 

 

Six Months Ended June 30, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

Retail revenue

$

8,660,947

$

8,638,026

$

17,238,005

$

18,049,368

Bulk revenue

 

9,934,060

 

8,274,816

 

18,678,829

 

16,686,532

Services revenue

 

11,585,573

 

11,448,202

 

22,836,917

 

21,526,470

Manufacturing revenue

 

2,689,782

 

5,230,035

 

4,090,311

 

11,044,094

Total revenue

$

32,870,362

$

33,591,079

$

62,844,062

$

67,306,464

Services revenue consists of the following:

Three Months Ended June 30, 

 

Six Months Ended June 30, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

Construction revenue

$

5,338,043

$

2,825,935

$

7,439,180

$

5,044,167

Operations and maintenance revenue

 

6,044,002

 

8,255,408

 

14,932,460

 

15,980,704

Design and consulting revenue

 

203,528

 

366,859

 

465,277

 

501,599

Total services revenue

$

11,585,573

$

11,448,202

$

22,836,917

$

21,526,470

Schedule of services revenue recognized from the transfer of goods or services to customers over time and when invoiced

Three Months Ended June 30, 

 

Six Months Ended June 30, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

Revenue recognized over time

$

5,373,750

$

3,104,731

$

7,583,913

$

5,284,992

Revenue recognized when invoiced

 

6,211,823

 

8,343,471

 

15,253,004

 

16,241,478

Total services revenue

$

11,585,573

$

11,448,202

$

22,836,917

$

21,526,470

Summary of revenue recognized and amounts billed on contracts in progress

Revenue recognized and amounts billed on contracts in progress are summarized as follows:

June 30, 

December 31, 

2026

2025

Revenue recognized to date on contracts in progress

  ​ ​ ​

$

117,595,070

$

127,237,229

Amounts billed to date on contracts in progress

 

(128,609,583)

 

(138,121,977)

Retainage

1,818,170

2,646,929

Net contract liability

$

(9,196,343)

$

(8,237,819)

Summary of net balances of billings reflected in the accompanying consolidated balance sheet

The above net balances are reflected in the accompanying condensed consolidated balance sheets as follows:

June 30, 

December 31, 

2026

2025

Contract assets

  ​ ​ ​

$

3,210,683

  ​ ​ ​

$

3,290,815

Contract liabilities

 

(12,407,026)

 

(11,528,634)

Net contract liability

$

(9,196,343)

$

(8,237,819)