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v3.26.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Millions |  |  |  | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 16, 2026 segment | Mar. 17, 2025 segment | Mar. 06, 2024 segment | Mar. 31, 2026 USD ($) segment
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Number of operating segments | 3 | 3 | 3 | 3
Number of reportable segments |  |  | 3 | 3
Number of reporting units |  |  | 3 | 3
Excess inventory threshold |  |  |  | 3 years
Options |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Options vesting period |  |  |  | 4 years
Restricted Stock |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Quarterly vesting percentage |  |  |  | 0.25
Vesting rights percentage |  |  |  | 100.00%
Restricted Stock | Employees |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Options vesting period |  |  |  | 4 years
Restricted Stock | Independent directors |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Options vesting period |  |  |  | 1 year
City of Rochester and State of New York |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Grant funds received | $ |  |  |  | $ 0.6
Deferred grant proceeds | $ |  |  |  | $ 0.2
Minimum |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Obsolete inventory threshold |  |  |  | 24 months
Useful lives |  |  |  | 1 year
Product warranties |  |  |  | 1 year
Maximum |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Obsolete inventory threshold |  |  |  | 36 months
Useful lives |  |  |  | 10 years
Product warranties |  |  |  | 2 years
Maximum | Options |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Options vesting period |  |  |  | 10 years

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