v3.26.1
Benefits Plans (Tables)
12 Months Ended
Dec. 27, 2025
Benefits Plans  
Schedule of common stock options activity

Weighted-

Average

Weighted-

Remaining

Aggregate

Number of

Average

Contractual

Intrinsic

Shares

Exercise

Life

Value

  ​ ​ ​

(in thousands)

  ​ ​ ​

Price

  ​ ​ ​

(in years)

  ​ ​ ​

(in thousands)

Outstanding as of December 28, 2024

3,257

$

0.78

3.89

$

468

Granted

-

$

-

Exercised

(129)

$

0.57

Expired or forfeited

(429)

$

1.12

Outstanding as of December 27, 2025

2,699

$

0.73

3.40

$

498

Exercisable as of December 27, 2025

2,699

$

0.73

3.40

$

498

Vested and expected to vest as of December 27, 2025

2,699

$

0.73

3.40

$

498

Schedule of restricted stock Awards

Weighted-

Average

Number of

Grant-Date

Shares

Fair Value

  ​ ​ ​

(in thousands)

  ​ ​ ​

per Share

Balance nonvested as of December 28, 2024

3,682

$

2.49

Granted

3,283

$

0.64

Vested

(1,228)

$

2.92

Forfeited

(317)

$

2.66

Balance nonvested as of December 27, 2025

5,420

$

1.26

Schedule of stock-based compensation Expense

The following table summarizes the stock-based compensation expense by line item in the consolidated statements of operations (in thousands):

2025

2024

Cost of sales

$

83

$

99

Research and development

552

908

Selling, general and administrative

2,803

3,429

Total

$

3,438

$

4,436