Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

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Stockholders' Equity (Tables)
3 Months Ended
Apr. 01, 2024
Stockholders' Equity Note [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights
The following is an analysis of changes in the warrant liability:

(in thousands)
Warrant liability at January 1, 2024
$ 182 
Gain during the period (144)
Warrant liability at April 1, 2024
$ 38 
Summary of Activity of Restricted Stock Units
The following table summarizes activity of RSUs and PSUs during the quarter ended April 1, 2024:

Number of Restricted Stock Units Weighted Average Grant Date Fair Value
Non-vested at January 1, 2024
1,162,550 $ 7.37 
Granted 639,535  $ 0.81 
Vested (225,925) $ 2.50 
Forfeited (273,091) $ 4.48 
Non-vested at April 1, 2024
1,303,069  $ 5.10 
The input variables for the Black-Scholes are noted in the table below:

April 1, 2024 January 1, 2024
Risk-free interest rate 4.75  % 4.25  %
Expected life in years 1.7 2.0
Expected volatility 98.0  % 98.0  %
Expected dividend yield —  % —  %