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STOCKHOLDERS’ EQUITY (Tables)
12 Months Ended
Dec. 31, 2024
Equity [Abstract]  
Schedule of Stock Option Valuation Assumptions for Equity Awards and Liability Awards
The fair value of the Company’s stock options granted in 2024 that are being classified as equity awards were estimated using the Black-Scholes option pricing model with the following assumptions and weighted average fair values:
Year Ended
December 31, 2024
Valuation assumptions: 
Grant price
$1.78 – $3.40
Exercise price
$1.78 – $3.40
Expected dividend yield%
Expected volatility
70.68% – 85.82%
Expected life (in years)
3.37 – 4.37
Risk-free interest rate
3.70% – 4.40%
Schedule of Stock Option Activity
Stock option activity during the periods indicated below was as follows:
Number of
Shares
Subject to
Issuance
Weighted- average Exercise PriceWeighted- average Remaining
Contractual Term
Aggregate Intrinsic Value
Outstanding at December 31, 20221,120,244$3.68 3.50 years$84 
Granted627,5072.91  
Forfeited(595,037)4.05 
Outstanding at December 31, 20231,152,714$3.07 3.18 years$38 
Granted650,9782.00 
Forfeited(472,713)2.42 
Exercised(179,875)1.72 
Outstanding at December 31, 20241,151,104$2.94 3.88 years$536 
Exercisable at December 31, 2024434,877$4.07 2.64 years$115 
Summary of Stock Options
The following is a summary of stock options as of December 31, 2024:
Options OutstandingOptions Exercisable
Range of Exercise PricesNumber of
Options
Weighted-
average
Remaining Life
Weighted-
average
Exercise
Price
Number of
Options
Weighted-
average
Exercise
Price
$1.81 to $2.52
726,8774.82 years$2.09 189,208$2.03 
$2.53 to $11.50
424,2272.74 years$4.39 245,669$5.46 
1,151,1043.98 years$2.94 434,877$3.97 
Schedule of Restricted Stock Unit Activity
Restricted stock unit activity during the periods indicated below is as follows:
Number of
Shares
Weighted
Average
Grant Date
Fair Value
Outstanding at December 31, 2022214,892$8.43 
Granted249,4122.34 
Forfeited(70,959)10.04 
Vested and Settled in shares(332,845)4.29 
Outstanding at December 31, 202360,500$4.23 
Granted223,4854.23 
Forfeited— N/A
Vested and Settled in shares(246,028)2.80 
Outstanding December 31, 202437,957$2.51 
Schedule of Performance Stock Unit Activity
Number of
Shares
Weighted
Average
Grant Date
Fair Value
Outstanding at December 31, 2022177,688$7.91 
Forfeited(88,844)7.91 
Vested and Settled in shares(88,844)$7.91 
Outstanding at December 31, 2023$— 
Forfeited— 
Vested and Settled in shares— 
Outstanding at December 31, 2024$— 
Schedule of Stock-based Compensation Expense
Stock-based compensation expense for the years ended December 31, 2024 and 2023 is as follows:
Years Ended December 31,
20242023
Stock options$467 $666 
Restricted stock units409 930 
Performance stock units— — 
$876 $1,596 
Schedule of Stock-based Compensation Included in Operating Expenses
Stock-based compensation is included in operating expenses as follows:
Years Ended December 31,
20242023
Selling, general and administrative$821 $1,358 
Research and development55 238 
$876 $1,596