v3.26.1
Variable Interest Entities (Tables)
6 Months Ended
Jun. 30, 2026
Variable Interest Entities  
Summary of balances associated with VIE The table below summarizes balances associated with Hidrogenii as reflected on our unaudited interim condensed consolidated balance sheets as of June 30, 2026 and December 31, 2025 (in thousands):

As of

  ​ ​ ​

June 30, 2026

  ​ ​ ​

December 31, 2025

Assets

  ​ ​ ​

  ​ ​ ​

Cash and cash equivalents

  ​ ​ ​

$

2,048

  ​ ​ ​

$

1,465

Accounts receivable

187

Inventory, net

363

98

Prepaid expenses, tax credits and other current assets

  ​ ​ ​

486

  ​ ​ ​

32

Total current assets

  ​ ​ ​

3,084

  ​ ​ ​

1,595

Property, plant, and equipment, net

  ​ ​ ​

10,557

  ​ ​ ​

50,206

Total assets

  ​ ​ ​

$

13,641

  ​ ​ ​

$

51,801

Liabilities

  ​ ​ ​

  ​ ​ ​

Accounts payable

  ​ ​ ​

$

686

  ​ ​ ​

$

785

Accrued expenses

  ​ ​ ​

1,880

  ​ ​ ​

526

Total liabilities

  ​ ​ ​

$

2,566

  ​ ​ ​

$

1,311

Stockholders' equity

  ​ ​ ​

  ​ ​ ​

Stockholders' equity

  ​ ​ ​

$

11,075

  ​ ​ ​

$

50,490

Total stockholders' equity

  ​ ​ ​

$

11,075

  ​ ​ ​

$

50,490

Total liabilities and stockholders' equity

  ​ ​ ​

$

13,641

  ​ ​ ​

$

51,801