Quarterly report pursuant to Section 13 or 15(d)

Convertible Instruments and Accrued Interest (Tables)

v3.24.1.u1
Convertible Instruments and Accrued Interest (Tables)
9 Months Ended
Feb. 29, 2024
Convertible Instruments and Accrued Interest  
Schedule of information on dividends of convertible preferred stock

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February 29, 2024

​

May 31, 2023

(in thousands except conversion rate)

    

Series B

    

Series C

    

Series D

    

Series B

    

Series C

    

Series D

Shares of preferred stock outstanding

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​

19

​

​

6

​

​

9

​

​

19

​

​

6

​

​

9

Common stock conversion rate

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​

10:1

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​

2,000:1

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​

1,250:1

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​

10:1

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​

2,000:1

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​

1,250:1

Total shares of common stock if converted

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​

190

​

​

12,670

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​

10,565

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​

190

​

​

12,670

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​

10,565

Undeclared dividends

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$

18

​

$

—

​

$

—

​

$

15

​

$

—

​

$

—

Accrued dividends

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$

—

​

$

2,976

​

$

3,442

​

$

—

​

$

2,500

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$

2,808

Total shares of common stock if dividends converted

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​

36

​

​

5,952

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​

6,884

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​

30

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​

5,000

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​

5,616

Schedule of outstanding balances of convertible notes

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February 29, 2024

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May 31, 2023

(in thousands)

    

April 2, 2021 Note

    

April 23, 2021 Note

    

Total

    

April 2, 2021 Note

    

April 23, 2021 Note

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Placement Agent Notes

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Total

Convertible notes payable outstanding principal

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$

2,831

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$

27,869

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$

30,700

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$

6,081

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$

29,369

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$

1,000

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$

36,450

Less: Unamortized debt discount and issuance costs

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​

(58)

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​

(473)

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​

(531)

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​

(211)

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(822)

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​

(286)

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​

(1,319)

Convertible notes payable, net

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​

2,773

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​

27,396

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​

30,169

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​

5,870

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​

28,547

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​

714

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​

35,131

Accrued interest on convertible notes

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​

4,446

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​

9,634

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​

14,080

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​

3,804

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​

6,789

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​

5

​

​

10,598

Outstanding convertible notes payable, net and accrued interest

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$

7,219

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$

37,030

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$

44,249

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$

9,674

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$

35,336

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$

719

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$

45,729

Schedule of reconciliation of changes to outstanding balance of convertible notes

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(in thousands)

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April 2, 2021 Note

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April 23, 2021 Note

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Placement Agent Notes

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​

Short-Term Notes

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Total

Outstanding balance at May 31, 2023

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$

9,674

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$

35,336

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$

719

​

$

—

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$

45,729

Consideration received

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​

—

​

​

—

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​

975

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​

698

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​

1,673

Amortization of issuance discount and costs

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153

​

​

349

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​

583

​

​

302

​

​

1,387

Interest expense

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​

642

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​

2,845

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​

18

​

​

7

​

​

3,512

Fair market value of shares and warrants exchanged for repayment

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​

(4,737)

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​

(1,826)

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​

(4,379)

​

​

(2,558)

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​

(13,500)

Difference between market value of
common shares and reduction of principal

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​

1,487

​

​

326

​

​

2,084

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​

1,551

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​

5,448

Outstanding balance at February 29, 2024

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$

7,219

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$

37,030

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$

—

​

$

—

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$

44,249

Summary of outstanding convertible notes

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​

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​

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February 29, 2024

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April 2, 2021 Note

    

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April 23, 2021 Note

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Interest rate per annum

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​

10

%

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​

10

%

Conversion price per share upon five trading days' notice

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$

10.00

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​

$

10.00

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Party that controls the conversion rights

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Investor

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Investor

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Maturity date

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April 5, 2025

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April 23, 2025

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Security interest

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All Company assets excluding intellectual property

​