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STOCKHOLDERS’ EQUITY AND STOCK-BASED COMPENSATION
 6 Months Ended
Jun. 30, 2026
Equity [Abstract]  
STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION STOCKHOLDERS’ EQUITY AND STOCK-BASED COMPENSATION
Amended and Restated 2018 Stock Award and Incentive Plan

The Company’s Amended and Restated 2018 Stock Award and Incentive Plan (the “Plan”) provides for the award of options to purchase the Company’s common stock (“stock options”), restricted stock units ("RSUs"), stock appreciation
rights (“SARs”), restricted stock, deferred stock, dividend equivalents, performance shares or other stock-based performance awards and other stock- or cash-based awards. Awards can be granted under the Plan to the Company’s employees, officers and non-employee directors, as well as consultants and advisors of the Company and its subsidiaries.

Stock Options

A summary of stock option activity during the six months ended June 30, 2026 is below:
SharesWeighted average exercise price
Outstanding at January 1, 202619,155,921$0.82 
Expired(2,090,000)$0.70 
Outstanding at June 30, 202617,065,921$0.84 

Stock options granted under the Plan generally expire five years from the date of grant. At June 30, 2026, the stock options outstanding had a weighted average remaining life of approximately four months. The Company did not grant any stock options during the six months ended June 30, 2026.
Restricted Stock Units

Holders of unvested restricted stock units ("RSUs") do not have voting or dividend rights. The grant date fair values of RSUs are recognized as expense on a straight-line basis over the requisite service periods. The fair value of RSUs is determined based on the market value of the shares of the Company's common stock on the date of grant.

A summary of RSU activity for the six months ended June 30, 2026 was as follows:
RSUsWeighted average grant date fair value
Outstanding at January 1, 20269,887,289$0.15 
Granted5,361,630$0.08 
Vested(4,256,099)$0.15 
Forfeited(300,405)$0.11 
Outstanding at June 30, 202610,692,415$0.10 

Of the 4,256,099 RSUs reported as vested in the table above, 243,958 shares, with an aggregate fair value of approximately $22,000, were surrendered to the Company to satisfy the tax withholding obligations that arose in connection with the vesting of such RSUs.

Warrants

At June 30, 2026, warrants to purchase up to 21,148,936 shares of the Company's common stock were outstanding, with a weighted average exercise price of $0.46 per share.

Stock-Based Compensation

The Company recorded stock-based compensation of $0.4 million and $0.6 million in the three months ended June 30, 2026 and 2025, respectively, and $0.7 million and $1.1 million in the six months ended June 30, 2026 and 2025, respectively.