Three Months Ended
June 30,

Six Months Ended
June 30,

2026

2025

2026

2025

Total revenues

$

—

$

—

$

—

$

—

Significant segment expenses:

Research and development expense

174

935

486

1,743

General and administrative expense

889

1,514

2,180

3,731

Loss (Gain) on disposal of assets

(9

)

60

28

86

Gain on lease termination

—

—

—

(5,974

)

Total operating expenses

(1,054

)

(2,509

)

(2,694

)

414

Interest and dividend income

11

56

11

88

Gain on settlement of accounts payable

—

—

Change in fair value of contingent liability

(52

)

(159

)

(240

)

(295

)

Other income (expense)

(26

)

(9

)

(26

)

182

Total other income

(67

)

(112

)

(255

)

(25

)

Segment net (loss) income

$

(1,121

)

$

(2,621

)

$

(2,949

)

$

389