Quarterly report pursuant to Section 13 or 15(d)

Derivative Liabilities (Tables)

v3.21.1
Derivative Liabilities (Tables)
9 Months Ended
Feb. 28, 2021
Warrant Derivative Liability  
Derivative [Line Items]  
Schedule of Derivative Liabilities at Fair Value

​

​

​

​

​

​

​

​

    

Shares
Indexed

    

Derivative
Liability

Inception to date September 15, 2016

 

7,733

​

$

5,179

Change in fair value of derivative liability

 

—

​

​

(4,777)

Balance May 31, 2019

 

7,733

​

 

402

Change in fair value of derivative liability

 

—

​

​

11,547

Fair value of warrants exercised

 

7,733

​

​

(11,949)

Balance May 31, 2020

 

—

​

​

—

Change in fair value of derivative liability

 

—

​

 

—

Balance February 28, 2021

 

—

​

$

—

Assumptions used in Estimating Fair Value

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

September 15,

    

May 31,

 

February 29,

​

​

​

    

2016

    

2019

 

2020

 

​

Fair value of underlying stock

​

$

0.78

​

$

0.39

​

$

1.05

​

​

Risk free rate

​

 

1.20

%  

 

1.94

%

 

0.93

%

​

Expected term (in years)

​

 

5

​

 

2.29

​

 

1.55

​

​

Stock price volatility

​

 

106

%  

 

61

%

 

87

%

​

Expected dividend yield

​

 

—

​

 

—

​

 

—

​

​

Probability of fundamental transaction

​

 

50

%  

 

50

%

 

50

%

​

Probability of holder requesting cash payment

​

 

50

%  

 

50

%

 

50

%

​

Redemption Provision Embedded Derivative  
Derivative [Line Items]  
Schedule of Derivative Liabilities at Fair Value

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Derivative Liability

​

    

Net Proceeds

    

Inception date

    

May 31, 2019 

Inception date June 2018 Note, November 15, 2018

​

$

5,000

​

$

1,285

​

$

847

Inception date January 2019 Note, January 30, 2019

​

 

5,000

​

 

1,465

​

 

1,158

​

​

​

​

​

​

​

​

$

2,005

Assumptions used in Estimating Fair Value

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

May 31, 2019 

 

​

    

November 15, 

    

January 30,

    

June 2018

    

January 2019

 

​

    

2018

    

 2019

    

Note

    

Note

 

Fair value of underlying stock

​

$

0.57

​

$

0.49

​

$

0.39

​

$

0.39

​

Risk free rate

​

 

2.78

%  

 

2.52

%  

 

2.21

%  

 

1.95

%

Expected term (in years)

​

 

1.61

​

 

2

​

 

1.07

​

 

1.67

​

Stock price volatility

​

 

58.8

%  

 

61

%  

 

62.2

%  

 

62.2

%

Expected dividend yield

​

 

—

​

 

—

​

 

—

​

 

—

​

Discount factor

​

 

85

%  

 

85

%  

 

85

%  

 

85

%