v3.26.1
Stockholders' Equity (Tables)
12 Months Ended
Mar. 31, 2026
Class Of Stock [Line Items]  
Summary of Stock Option Activity

The following table summarizes stock option activity for the year ended March 31, 2026:

 

 

 

Options
Outstanding

 

 

Weighted-
Average
Exercise Price

 

 

Aggregate
Intrinsic
Value

 

Outstanding at March 31, 2025

 

 

141,397

 

 

$

22.66

 

 

$

 

Options granted

 

 

127,952

 

 

$

2.05

 

 

$

 

Options canceled

 

 

(2,552

)

 

$

14.51

 

 

$

 

Options expired

 

 

(5,713

)

 

$

33.63

 

 

$

 

Outstanding at March 31, 2026

 

 

261,084

 

 

$

12.40

 

 

$

 

Vested and Exercisable at March 31, 2026

 

 

60,045

 

 

$

40.47

 

 

$

 

Common Stock Reserved for Future Issuance

Common stock reserved for future issuance consisted of the following at March 31, 2026:

 

Common stock issuable pursuant to options outstanding and reserved under the 2012 Plan

 

 

27,565

 

Common stock issuable pursuant to options outstanding and reserved under the A&R 2022 Plan

 

 

229,353

 

Common stock reserved under the A&R 2022 Plan

 

 

12,252

 

Common stock reserved under the ESPP

 

 

3,708

 

Common stock reserved under the 2021 Inducement Equity Plan

 

 

83

 

Common stock issuable pursuant to restricted stock units outstanding under the A&R 2022 Plan

 

 

75,000

 

Common stock issuable pursuant to options outstanding and reserved under the Inducement Plan

 

 

4,166

 

Common stock issuable pursuant to outstanding 2024 Common Warrants

 

 

539,060

 

Common stock issuable pursuant to outstanding 2026 Pre-Funded Warrants

 

 

2,345,022

 

Common stock issuable pursuant to outstanding 2026 Common Warrants

 

 

3,947,369

 

Common stock issuable pursuant to outstanding Placement Agent Warrants

 

 

131,579

 

Total at March 31, 2026

 

 

7,315,157

 

Schedule of Stock-based Compensation Expense

Stock-based compensation expense for all stock-based awards consists of the following (in thousands):

 

 

 

Year Ended
March 31, 2026

 

 

Year Ended
March 31, 2025

 

Research and development

 

$

56

 

 

$

86

 

General and administrative

 

 

247

 

 

 

446

 

Total

 

$

303

 

 

$

532

 

Fair Value of Employee Stock Options The fair value of stock options was estimated at the grant date using the following weighted average assumptions:

 

 

 

Year Ended
March 31, 2026

 

 

Year Ended
March 31, 2025

 

Dividend yield

 

 

 

 

 

 

Volatility

 

 

113.22

%

 

 

99.38

%

Risk-free interest rate

 

 

3.68

%

 

 

3.75

%

Expected life of options

 

6.00 years

 

 

5.75 years

 

Weighted average grant date fair value

 

$

1.74

 

 

$

5.67

 

Summary of Warrant Activity

The following table summarizes the Company’s 2024 Common Warrants activity from March 31, 2025 to March 31, 2026:

 

 

Number of Warrants

 

 

Exercise Price

 

Outstanding at March 31, 2025

 

 

539,060

 

 

$

9.60

 

Issued

 

 

 

 

 

 

Exercised

 

 

 

 

 

 

Outstanding at March 31, 2026

 

 

539,060

 

 

$

9.60

 

The following table summarizes information about shares issuable under the 2026 Pre-Funded Warrants, the 2026 Common Warrants, and the Placement Agent Warrants from March 31, 2025 to March 31, 2026:

 

 

 

2026 Pre-Funded Warrants

 

Exercise Price

 

2026 Common Warrants

 

Exercise Price

 

Placement Agent Warrants

 

Exercise Price

 

Outstanding at March 31, 2025

 

 

 

$

 

 

 

$

 

 

 

$

 

Issued

 

 

2,345,022

 

$

0.001

 

 

3,947,369

 

$

1.71

 

 

131,579

 

$

1.43

 

Exercised

 

 

 

$

 

 

 

$

 

 

 

$

 

Outstanding at March 31, 2026

 

 

2,345,022

 

$

0.001

 

 

3,947,369

 

$

1.71

 

 

131,579

 

$

1.43

 

The following table summarizes the Company’s common stock warrant liability, which represents a recurring measurement that is classified with Level 3 of the fair value hierarchy wherein the fair value is estimated using significant unobservable inputs (in thousands):

 

 

 

March 31, 2026

 

Beginning common stock warrant liability

 

$

 

Common warrants issued

 

 

5,700

 

Common warrants exercised

 

 

 

Change in fair value

 

 

 

Ending common stock warrant liability

 

$

5,700

 

Summary of Assumptions Used to Determine the Fair Value

The fair value of the common stock warrant liability was measured using a Monte Carlo model and will be remeasured each reporting period, and the change in fair value will be recorded in earnings. The fair value of the 2026 Common Warrants is inherently sensitive to changes in the Company's stock price and related volatility assumptions. The assumptions that the Company used to determine the fair value at the reporting date were as follows:

 

 

 

Year Ended
March 31, 2026

 

Dividend yield

 

 

 

Volatility

 

 

110.00

%

Risk-free interest rate

 

 

3.90

%

Expected life of warrants

 

5.00 years

 

Weighted average grant date fair value

 

$

1.71

 

Placement Agent Warrants [Member]  
Class Of Stock [Line Items]  
Summary of Assumptions Used to Determine the Fair Value The assumptions that the Company used to determine the fair value of the placement agent warrants were as follows:

 

 

 

Year Ended
March 31, 2026

 

Dividend yield

 

 

 

Volatility

 

 

124.02

%

Risk-free interest rate

 

 

3.81

%

Expected life of warrants

 

3.00 years

 

Weighted average grant date fair value

 

$

1.43

 

Restricted stock units (RSUs) [Member]  
Class Of Stock [Line Items]  
Summary of Company's RSUs Activity

The following table summarizes the Company’s RSUs activity for the year ended March 31, 2026:

 

 

 

Number of
Shares

 

 

Weighted
Average Price

 

Unvested at March 31, 2025

 

 

8,165

 

 

$

6.57

 

Granted

 

 

75,000

 

 

$

1.73

 

Vested

 

 

(8,165

)

 

$

6.57

 

Cancelled / forfeited

 

 

 

 

$

 

Unvested at March 31, 2026

 

 

75,000

 

 

$

1.73

 

ESPP Shares [Member]  
Class Of Stock [Line Items]  
Fair Value of Employee Stock Options The fair value of the ESPP shares was estimated at the purchase period commencement date using the following assumptions:

 

 

 

Year Ended
March 31, 2026

 

 

Year Ended
March 31, 2025

 

Dividend yield

 

 

 

 

 

 

Volatility

 

 

0.00

%

 

 

95.20

%

Risk-free interest rate

 

 

0.00

%

 

 

5.27

%

Expected term

 

 

 

 

6 months

 

Grant date fair value

 

$

 

 

$

0.39