XML 28 R18.htm IDEA: XBRL DOCUMENT v3.22.2
STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2022
Share-based Payment Arrangement [Abstract]  
Share-based Payment Arrangement, Option, Activity
The following is a summary of stock option activity during the six months ended June 30, 2022:
Number of
options
outstanding
Weighted
average
exercise
price (*)
Average
remaining
contractual life
(in years)
Aggregate
intrinsic value
(in thousands)
Outstanding – December 31, 2021
1,105,938 $2.03 8.8$1,535 
Options granted
961,000 1.39 
Options exercised
(28,571)— 
Outstanding – June 30, 2022
2,038,367 1.72 8.9499 
Exercisable – June 30, 2022
451,133 $0.89 7.7$366 
(*) $ - Indicates exercise price less than $0.01 per share
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions For the six months ended June 30, 2022 and 2021, the assumptions used in the Black-Scholes option pricing model, which was used to estimate the grant date fair value per option, were as follows:
Six months ended June 30,
20222021
Weighted-average Black-Scholes option pricing model assumptions:
Volatility
107.25% - 110.98%
76.8% - 76.9%
Expected term (in years)
5.73 - 5.80
5.66
Risk-free rate
1.47% - 2.85%
0.48% - 0.82%
Expected dividend yield— — 
Weighted average grant date fair value per share
$1.08 - $1.75
$1.59 - $1.81
Schedule of Nonvested Restricted Stock Units Activity
The following is a summary of RSU’s awards activity during the six months ended June 30, 2022:

Six months ended June 30, 2022
Numbers of SharesWeighted Average Grant Date Fair value
Non-Vested at beginning of period30,000 $3.20 
Shares vested7,500 3.20 
Non-vested22,500 $3.20 
Share-based Payment Arrangement, Expensed and Capitalized, Amount
The following is a summary of stock-based compensation expense:
Three months ended June 30, Six months ended June 30,
2022202120222021
General and administration
Stock options175,900 21,000 296,800 26,000 
RSU’s23,100 — 35,000 — 
Total general and administration199,000 21,000 331,800 26,000 
R&D
Stock options64,800 2,400 90,900 6,000 
Total$263,800 $23,400 $422,700 $32,000