v3.26.1
STOCKHOLDERS' DEFICIT (Tables)
6 Months Ended
Jun. 30, 2026
STOCKHOLDERS' DEFICIT  
Schedule of warrants outstanding

Number of Warrants

Exercise

Outstanding and Common

Price

Stock Underlying Warrants

  ​ ​ ​

Issuance Date

  ​ ​ ​

Expiration Date

  ​ ​ ​

Classification

per Share

  ​ ​ ​

June 30, 2026

  ​ ​ ​

December 31, 2025

  ​ ​ ​

Unmodified August 2022 Warrants

August 25, 2022

August 25, 2027

Liability

$

13.20

433,321

433,321

Modified August 2022 Warrants

August 25, 2022

August 25, 2027

Liability

$

4.13

55,553

55,553

January 2024 Purchase Warrants

January 26, 2024

July 26, 2029

Equity

$

4.13

171,000

171,000

July 2024 Purchase Warrants

July 9, 2024

July 9, 2027

Equity

$

2.25

1,248,527

1,248,527

August 2024 Purchase Warrants

August 1, 2024

August 1, 2029

Equity

$

1.36

2,566,667

2,566,667

Amended March 2025 Warrants

September 19, 2025

March 5, 2031

Liability

$

0.35

11,848,177

 

11,848,177

 

September 2025 Warrants

September 19, 2025

March 5, 2031

Equity

$

0.75

4,912,500

 

4,912,500

 

June 2026 Warrants

June 5, 2026

June 5, 2029

Equity

$

0.75

4,230,000

-

 

25,465,745

21,235,745

Schedule of stock option activity

  ​ ​ ​

  ​ ​ ​

Options outstanding at December 31, 2025(1)

 

3,100,787

 

Options granted

 

77,600

 

Options forfeited or expired

 

(545,391)

 

Options outstanding at June 30, 2026(1)

 

2,632,996

 

Vested and Exercisable options at June 30, 2026

 

1,552,714

 

(1)Options outstanding include options vested and expected to vest
Schedule of weighted average assumptions used in calculating the fair value per share

June 30, 

  ​ ​ ​

June 30, 

  ​ ​ ​

2026

  ​ ​ ​

2025

2026

  ​ ​ ​

2025

 

Dividend yield

 

-

-

-

-

Volatility

 

171.9

148.5

%

171.6

142.7

%

Risk-free interest rate

 

4.04

3.96

%

4.02

3.99

%

Expected lives (years)

 

2.00

 

2.02

 

2.00

 

2.04

Weighted average fair value

$

0.380

$

0.050

$

0.380

$

0.100

Schedule of allocation non-cash stock based compensation expense by functional area

  ​ ​ ​

Three Months Ended

  ​ ​ ​

Six Months Ended

  ​ ​ ​

June 30, 

June 30, 

(in thousands)

2026

  ​ ​ ​

2025

2026

  ​ ​ ​

2025

Cost of revenue

$

2

$

2

$

5

$

9

Research and development

 

11

 

(9)

 

23

 

1

Sales and marketing

 

3

 

(5)

 

14

 

18

General and administrative

 

3

 

27

 

19

 

90

Total

$

19

$

15

$

61

$

118