Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Summary of Restricted Stock Activity (Details)

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Stock Based Compensation - Summary of Restricted Stock Activity (Details) - Restricted Stock - 2014 Equity Incentive Plan
shares in Thousands
9 Months Ended
Sep. 25, 2021
$ / shares
shares
Number of Shares  
Unvested, beginning balance (in shares) | shares 177
Awarded (in shares) | shares 0
Vested (in shares) | shares (88)
Forfeited (in shares) | shares 0
Unvested, ending balance (in shares) | shares 89
Weighted-Average Grant Date Fair Value  
Unvested, beginning balance (in dollars per share) | $ / shares $ 7.09
Awarded (in dollars per share) | $ / shares
Vested (in dollars per share) | $ / shares
Forfeited (in dollars per share) | $ / shares
Unvested, ending balance (in dollars per share) | $ / shares $ 7.09