XML 30 R18.htm IDEA: XBRL DOCUMENT v3.23.1
Stockholders' Equity (Tables)
9 Months Ended
Mar. 31, 2023
Class Of Stock [Line Items]  
Schedule of Stock Option Expense

 

 

Three months ended
March 31,

 

 

Nine months ended
March 31,

 

 

 

2023
$

 

 

2022
$

 

 

2023
$

 

 

2022
$

 

Research and development

 

 

94

 

 

 

(29

)

 

 

368

 

 

 

464

 

General and administrative

 

 

196

 

 

 

671

 

 

 

876

 

 

 

1,819

 

 

 

290

 

 

 

642

 

 

 

1,244

 

 

 

2,283

 

Schedule of Unvested Stock Options

 

 

Number of
Options
(in thousands)

 

 

Weighted
average
exercise
price
$

 

Unvested at June 30, 2022

 

 

84

 

 

 

51.23

 

Granted

 

 

78

 

 

 

8.79

 

Vested

 

 

(36

)

 

 

48.73

 

Unvested at March 31, 2023

 

 

126

 

 

 

25.63

 

Schedule of Restricted Stock Units

 

 

Number of
RSU
(in thousands)

 

 

Number of
RSU vested
(in thousands)

 

Balance – June 30, 2022

 

 

 

 

 

 

Issuance of RSU

 

 

18

 

 

 

 

Balance – March 31, 2023

 

 

18

 

 

 

 

Schedule of Warrants

 

 

Number of
Warrants
(in thousands)

 

 

Weighted
average
exercise
price
$

 

Balance – June 30, 2022

 

 

720

 

 

 

49.36

 

Expiry of 2018 Investor and Agent warrants

 

 

(7

)

 

 

625.68

 

Balance – March 31, 2023

 

 

713

 

 

 

43.55

 

Schedule of Changes in Outstanding Warrants

Description of warrants

 

Number
(in thousands)

 

 

Exercise
price $

 

 

Expiry date

 

 

 

 

 

 

 

 

 

2022 April Investor warrants

 

 

325

 

 

 

20.50

 

 

April 14, 2027

2022 Investor warrants

 

 

240

 

 

 

62.50

 

 

March 28, 2025

2020 Investor warrants

 

 

65

 

 

 

50.00

 

 

August 16, 2024

2019 Investor warrants

 

 

15

 

 

 

155.00

 

 

June 5, 2024

NBTS Warrants

 

 

3

 

 

 

54.50

 

 

June 19, 2025

Warrants issued for services

 

 

20

 

 

32.00 to 450.00

 

 

September 22, 2023 to February 25, 2024

2022 April Agent warrants

 

 

32

 

 

 

33.12

 

 

October 14, 2026

2022 Agent warrants

 

 

12

 

 

 

78.12

 

 

March 28, 2025

2019 Agent warrants

 

 

1

 

 

 

193.75

 

 

June 3, 2024

 

 

 

713

 

 

 

 

 

 

Series C Warrants [Member]  
Class Of Stock [Line Items]  
Schedule of Changes in Outstanding Warrants

The following table summarizes the Company’s outstanding Series C Agent Warrants as of March 31, 2023:

 

Series C Agent Warrants

 

Number

 

 

Conversion
price
$

 

 

Number of
conversion
shares
(in
thousands)

 

 

Cumulative
common
stock
dividends
(in
thousands)

 

Series 1

 

 

1,929

 

 

 

58.00

 

 

 

33

 

 

 

23

 

Series 2

 

 

219

 

 

 

60.70

 

 

 

4

 

 

 

3

 

Series 3

 

 

296

 

 

 

57.50

 

 

 

5

 

 

 

4

 

 

 

 

2,444

 

 

 

 

 

 

42

 

 

 

30

 

Schedule of Conversion of Series C Preferred Stock to Series C Warrants

 

 

Balance
June 30, 2022

 

 

Number of
Warrants Issued

 

 

Number of
Warrants Exercised

 

 

Balance,
March 31, 2023

 

 

Conversion
price
$

 

Preferred Series C-1 Agent Warrants

 

 

1,929

 

 

 

 

 

 

 

 

 

1,929

 

 

 

58.00

 

Preferred Series C-2 Agent Warrants

 

 

219

 

 

 

 

 

 

 

 

 

219

 

 

 

60.70

 

Preferred Series C-3 Agent Warrants

 

 

296

 

 

 

 

 

 

 

 

 

296

 

 

 

57.50

 

 

 

 

2,444

 

 

 

 

 

 

 

 

 

2,444

 

 

 

 

Stock options [Member]  
Class Of Stock [Line Items]  
Schedule of Outstanding Under the Legacy Plan

 

 

Number of
stock options
outstanding
(in thousands)

 

 

Weighted
average
exercise
price

 

Balance – June 30, 2022

 

 

176

 

 

 

87.05

 

Granted

 

 

78

 

 

 

8.79

 

Expired

 

 

(56

)

 

 

96.27

 

Balance – March 31, 2023

 

 

198

 

 

 

53.54

 

Summary of Stock Options Currently Outstanding and Exercisable

Exercise price
$

 

Number
Outstanding at
March 31, 2023
(in thousands)

 

Weighted
average remaining
contractual life
(years)

 

Number
exercisable at
March 31, 2023
(in thousands)

6.04

 

9

 

9.89

 

8.79

 

64

 

9.35

 

12.75 to 16.25

 

6

 

9.56

 

4

30.50 to 48.00

 

83

 

8.26

 

35

62.00 to 68.50

 

14

 

8.13

 

13

85.00

 

21

 

7.47

 

19

1,055.00 to 4,600.00

 

1

 

2.83

 

1

 

 

198

 

 

 

72

Schedule of Valuation Assumptions Using a Black-Scholes Pricing Model

 

 

March 31, 2023

 

 

Dividend rate

 

 

 

%

Estimated volatility

 

 

91.40

 

%

Risk-free interest rate

 

 

2.67

 

%

Expected term – years

 

 

6.09

 

 

Performance stock units [Member]  
Class Of Stock [Line Items]  
Schedule of Issuance of Series C Preferred Stock

 

 

Series C Preferred Stock

 

 

 

Number
of shares

 

 

$
(in thousands)

 

Balance – June 30, 2022

 

 

16,838

 

 

 

12,275

 

Conversion of Series C Preferred stock to common stock

 

 

(2,630

)

 

 

(1,909

)

Balance – March 31, 2023

 

 

14,208

 

 

 

10,366

 

Schedule of Series C Preferred Stock Outstanding, Conversion Shares and Aggregate Dividends

The Company’s Series C Preferred Stock outstanding, conversion shares, and aggregate dividends as of March 31, 2023, are as follows:

 

Series

 

Number

 

 

Conversion
price
$

 

 

Number of
conversion
shares
(in
thousands)

 

 

Dividend Shares (in thousands)

 

Series 1

 

 

11,415

 

 

 

58.00

 

 

 

197

 

 

 

153

 

Series 2

 

 

898

 

 

 

60.70

 

 

 

15

 

 

 

10

 

Series 3

 

 

1,895

 

 

 

57.50

 

 

 

33

 

 

 

25

 

 

 

 

14,208

 

 

 

 

 

 

245

 

 

 

188

 

 

 

Series C Dividends

 

Dividend Shares
(in thousands)

 

10% - August 19, 2021 (actual)

 

 

34

 

15% - August 19, 2022 (actual)

 

 

43

 

20% - August 19, 2023 (estimated)

 

 

49

 

25% - August 19, 2024 (estimated)

 

 

62

 

 

 

 

188