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Consolidated Condensed Statements of Shareholders' Equity - USD ($) $ in Thousands | Total | Common Stock Common Stock | Common Stock Convertible Class B Stock | Additional Paid in Capital | Accumulated Comprehensive Loss | Retained Earnings | Treasury Stock
--- | --- | --- | --- | --- | --- | --- | ---
Beginning of Period at Dec. 31, 2022 |  | $ 291 | $ 63 | $ 98,630 | $ (9,526) | $ 240,360 | $ (89,898)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net Issuance of Common Stock for Restricted Stock Units (“RSU’s”) |  | 1 |  |  |  |  |
Class B Stock Converted to Common Stock |  | 3 | (3) |  |  |  |
Equity-based Compensation Expense and Net Exercise of Stock Options |  |  |  | 3,993 |  |  |
Tax Withholding Related to Issuance of RSU’s and Shares for Bonus Obligations |  |  |  | (603) |  |  |
Foreign Currency Translation Adjustments | $ 711 |  |  |  | 711 |  |
Retirement Liability Adjustment – Net of Taxes |  |  |  |  | 372 |  |
Net (Loss) Income | (16,414) |  |  |  |  | (16,414) |
Shares Issued to Fund 401K Obligation |  |  |  |  |  | (2,248) | 4,669
End of Period at Jul. 01, 2023 | 230,401 | $ 295 | $ 60 | 102,020 | (8,443) | 221,698 | $ (85,229)
Beginning of Period (in shares) at Dec. 31, 2022 |  | 29,122,000 | 6,314,000 |  |  |  |
Beginning of Period (in shares) at Dec. 31, 2022 |  |  |  |  |  |  | 3,155,000
Increase (Decrease) in Stockholders' Equity (in shares) |  |  |  |  |  |  |
Net Issuance from Exercise of Stock Options (in shares) |  | 1,000 |  |  |  |  |
Net Issuance of Common Stock for RSU’s (in shares) |  | 90,000 |  |  |  |  |
Class B Stock Converted to Common Stock (in shares) |  | 265,000 | (265,000) |  |  |  |
Shares Issued to fund 401k obligation (in shares) |  |  |  |  |  |  | (164,000)
End of Period (in shares) at Jul. 01, 2023 |  | 29,478,000 | 6,049,000 |  |  |  |
End of Period (in shares) at Jul. 01, 2023 |  |  |  |  |  |  | 2,991,000
Beginning of Period at Apr. 01, 2023 |  | $ 293 | $ 62 | 100,426 | (9,117) | 234,463 | $ (87,203)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Class B Stock Converted to Common Stock |  | 2 | (2) |  |  |  |
Equity-based Compensation Expense and Net Exercise of Stock Options |  |  |  | 1,594 |  |  |
Foreign Currency Translation Adjustments | 487 |  |  |  | 487 |  |
Retirement Liability Adjustment – Net of Taxes |  |  |  |  | 187 |  |
Net (Loss) Income | (11,999) |  |  |  |  | (11,999) |
Shares Issued to Fund 401K Obligation |  |  |  |  |  | (766) | 1,974
End of Period at Jul. 01, 2023 | 230,401 | $ 295 | $ 60 | 102,020 | (8,443) | 221,698 | $ (85,229)
Beginning of Period (in shares) at Apr. 01, 2023 |  | 29,273,000 | 6,247,000 |  |  |  |
Beginning of Period (in shares) at Apr. 01, 2023 |  |  |  |  |  |  | 3,060,000
Increase (Decrease) in Stockholders' Equity (in shares) |  |  |  |  |  |  |
Net Issuance of Common Stock for RSU’s (in shares) |  | 7,000 |  |  |  |  |
Class B Stock Converted to Common Stock (in shares) |  | 198,000 | (198,000) |  |  |  |
Shares Issued to fund 401k obligation (in shares) |  |  |  |  |  |  | (69,000)
End of Period (in shares) at Jul. 01, 2023 |  | 29,478,000 | 6,049,000 |  |  |  |
End of Period (in shares) at Jul. 01, 2023 |  |  |  |  |  |  | 2,991,000
Beginning of Period at Dec. 31, 2023 | 249,518 | $ 314 | $ 59 | 129,544 | (9,426) | 209,753 | $ (80,726)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net Shares Issued to Fund Bonus Obligations |  | 3 |  |  |  |  |
Net Issuance of Common Stock for Restricted Stock Units (“RSU’s”) |  | 1 |  |  |  |  |
Class B Stock Converted to Common Stock |  | 2 | (2) |  |  |  |
Equity-based Compensation Expense and Net Exercise of Stock Options |  |  |  | 4,642 |  |  |
Gross Shares Issued to Fund Bonus Obligations |  |  |  | 6,281 |  |  |
Tax Withholding Related to Issuance of RSU’s and Shares for Bonus Obligations |  |  |  | (3,177) |  |  |
Foreign Currency Translation Adjustments | (924) |  |  |  | (924) |  |
Retirement Liability Adjustment – Net of Taxes |  |  |  |  | 562 |  |
Net (Loss) Income | (1,645) |  |  |  |  | (1,645) |
Shares Issued to Fund 401K Obligation |  |  |  |  |  | (1,330) | 3,949
End of Period at Jun. 29, 2024 | 257,880 | $ 320 | $ 57 | 137,290 | (9,788) | 206,778 | $ (76,777)
Beginning of Period (in shares) at Dec. 31, 2023 |  | 31,402,000 | 5,952,000 |  |  |  |
Beginning of Period (in shares) at Dec. 31, 2023 |  |  |  |  |  |  | 2,833,000
Increase (Decrease) in Stockholders' Equity (in shares) |  |  |  |  |  |  |
Shares Issued to Fund Bonus Obligation (in shares) |  | 218,000 |  |  |  |  |
Net Issuance of Common Stock for RSU’s (in shares) |  | 114,000 |  |  |  |  |
Class B Stock Converted to Common Stock (in shares) |  | 290,000 | (290,000) |  |  |  |
Shares Issued to fund 401k obligation (in shares) |  |  |  |  |  |  | (139,000)
End of Period (in shares) at Jun. 29, 2024 |  | 32,024,000 | 5,662,000 |  |  |  |
End of Period (in shares) at Jun. 29, 2024 |  |  |  |  |  |  | 2,694,000
Beginning of Period at Mar. 30, 2024 |  | $ 318 | $ 58 | 134,066 | (9,901) | 205,899 | $ (78,717)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net Shares Issued to Fund Bonus Obligations |  | 1 |  |  |  |  |
Class B Stock Converted to Common Stock |  | 1 | (1) |  |  |  |
Equity-based Compensation Expense and Net Exercise of Stock Options |  |  |  | 1,840 |  |  |
Gross Shares Issued to Fund Bonus Obligations |  |  |  | 2,107 |  |  |
Tax Withholding Related to Issuance of RSU’s and Shares for Bonus Obligations |  |  |  | (723) |  |  |
Foreign Currency Translation Adjustments | (168) |  |  |  | (168) |  |
Retirement Liability Adjustment – Net of Taxes |  |  |  |  | 281 |  |
Net (Loss) Income | 1,533 |  |  |  |  | 1,533 |
Shares Issued to Fund 401K Obligation |  |  |  |  |  | (654) | 1,940
End of Period at Jun. 29, 2024 | $ 257,880 | $ 320 | $ 57 | $ 137,290 | $ (9,788) | $ 206,778 | $ (76,777)
Beginning of Period (in shares) at Mar. 30, 2024 |  | 31,832,000 | 5,773,000 |  |  |  |
Beginning of Period (in shares) at Mar. 30, 2024 |  |  |  |  |  |  | 2,762,000
Increase (Decrease) in Stockholders' Equity (in shares) |  |  |  |  |  |  |
Shares Issued to Fund Bonus Obligation (in shares) |  | 74,000 |  |  |  |  |
Net Issuance of Common Stock for RSU’s (in shares) |  | 7,000 |  |  |  |  |
Class B Stock Converted to Common Stock (in shares) |  | 111,000 | (111,000) |  |  |  |
Shares Issued to fund 401k obligation (in shares) |  |  |  |  |  |  | (68,000)
End of Period (in shares) at Jun. 29, 2024 |  | 32,024,000 | 5,662,000 |  |  |  |
End of Period (in shares) at Jun. 29, 2024 |  |  |  |  |  |  | 2,694,000

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