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STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Aug. 31, 2023
SHAREHOLDERS EQUITY  
Compensation costs related to the Company's stock-based compensation

 

 

Three Months Ended August 31,

 

(In thousands)

 

2023

 

 

2022

 

Cost of sales

 

$63

 

 

$91

 

Research and development

 

 

153

 

 

 

154

 

Selling, general and administrative

 

 

306

 

 

 

465

 

 

 

$522

 

 

$710

 

Nonvested RSU activity

 

 

 

 

 

Weighted

 

 

 

 

 

Average Grant

 

 

 

 

 

 

Date Fair

 

 

 

Shares

 

 

Value

 

 

 

(in thousands)

 

 

Per Share

 

Unvested May 31, 2023

 

 

345

 

 

$6.40

 

Granted

 

 

-

 

 

 

 

 

Vested

 

 

(77)

 

 

7.16

 

Forfeited

 

 

(52)

 

 

5.79

 

Unvested August 31, 2023

 

 

216

 

 

$6.27