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] | | | | | | | |
Issuance of Common Stock Through At-the-Market (“ATM”) Offering | | 8 | | 13,611 | | | |
Net Exercise of Stock Options, including ESPP | | 4 | | | | | |
Net Issuance of Common Stock for Restricted Stock Units (“RSU’s”) | | 2 | | | | | |
Class B Stock Converted to Common Stock | | 3 | (3) | | | | |
Equity-based Compensation Expense and Net Exercise of Stock Options, including ESPP | | | | 8,714 | | | |
Tax Withholding Related to Issuance of RSU’s and Shares for Bonus Obligations | | | | (636) | | | |
Foreign Currency Translation Adjustments | $ (117) | | | | (117) | | |
Retirement Liability Adjustment – Net of Taxes | | | | | 557 | | |
Net Loss | (33,397) | | | | | (33,397) | |
Shares Issued to Fund 401K Obligation | | | | | | (3,142) | 6,883 |
End of Period at Sep. 30, 2023 | 232,407 | $ 308 | $ 60 | 120,319 | (9,086) | 203,821 | $ (83,015) |
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) | | | | | | | |
Issuance of Common Stock Through ATM Offering (in shares) | | 834,000 | | | | | |
Net Issuance from Exercise of Stock Options, including ESPP (in shares) | | 438,000 | | | | | |
Net Issuance of Common Stock for RSU’s (in shares) | | 145,000 | | | | | |
Class B Stock Converted to Common Stock (in shares) | | 305,000 | (305,000) | | | | |
Shares Issued to fund 401k obligation (in shares) | | | | | | | (242,000) |
End of Period (in shares) at Sep. 30, 2023 | | 30,844,000 | 6,009,000 | | | | |
End of Period (in shares) at Sep. 30, 2023 | | | | | | | 2,913,000 |
Beginning of Period at Jul. 01, 2023 | | $ 295 | $ 60 | 102,020 | (8,443) | 221,698 | $ (85,229) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | |
Issuance of Common Stock Through At-the-Market (“ATM”) Offering | | 8 | | 13,611 | | | |
Net Exercise of Stock Options, including ESPP | | 4 | | | | | |
Net Issuance of Common Stock for Restricted Stock Units (“RSU’s”) | | 1 | | | | | |
Equity-based Compensation Expense and Net Exercise of Stock Options, including ESPP | | | | 4,721 | | | |
Tax Withholding Related to Issuance of RSU’s and Shares for Bonus Obligations | | | | (33) | | | |
Foreign Currency Translation Adjustments | (828) | | | | (828) | | |
Retirement Liability Adjustment – Net of Taxes | | | | | 185 | | |
Net Loss | (16,983) | | | | | (16,983) | |
Shares Issued to Fund 401K Obligation | | | | | | (894) | 2,214 |
End of Period at Sep. 30, 2023 | 232,407 | $ 308 | $ 60 | 120,319 | (9,086) | 203,821 | $ (83,015) |
Beginning of Period (in shares) at Jul. 01, 2023 | | 29,478,000 | 6,049,000 | | | | |
Beginning of Period (in shares) at Jul. 01, 2023 | | | | | | | 2,991,000 |
Increase (Decrease) in Stockholders' Equity (in shares) | | | | | | | |
Issuance of Common Stock Through ATM Offering (in shares) | | 834,000 | | | | | |
Net Issuance from Exercise of Stock Options, including ESPP (in shares) | | 437,000 | | | | | |
Net Issuance of Common Stock for RSU’s (in shares) | | 55,000 | | | | | |
Class B Stock Converted to Common Stock (in shares) | | 40,000 | (40,000) | | | | |
Shares Issued to fund 401k obligation (in shares) | | | | | | | (78,000) |
End of Period (in shares) at Sep. 30, 2023 | | 30,844,000 | 6,009,000 | | | | |
End of Period (in shares) at Sep. 30, 2023 | | | | | | | 2,913,000 |
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 | | 3 | (3) | | | | |
Equity-based Compensation Expense and Net Exercise of Stock Options, including ESPP | | | | 6,414 | | | |
Gross Shares Issued to Fund Bonus Obligations | | | | 6,281 | | | |
Tax Withholding Related to Issuance of RSU’s and Shares for Bonus Obligations | | | | (3,219) | | | |
Foreign Currency Translation Adjustments | 127 | | | | 127 | | |
Retirement Liability Adjustment – Net of Taxes | | | | | 843 | | |
Net Loss | (13,383) | | | | | (13,383) | |
Shares Issued to Fund 401K Obligation | | | | | | (1,330) | 3,949 |
End of Period at Sep. 28, 2024 | 249,204 | $ 321 | $ 56 | 139,020 | (8,456) | 195,040 | $ (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) | | | | | | | |
Net Shares Issued to Fund Bonus Obligations (in shares) | | 218,000 | | | | | |
Net Issuance of Common Stock for RSU’s (in shares) | | 165,000 | | | | | |
Class B Stock Converted to Common Stock (in shares) | | 352,000 | (352,000) | | | | |
Shares Issued to fund 401k obligation (in shares) | | | | | | | (139,000) |
End of Period (in shares) at Sep. 28, 2024 | | 32,137,000 | 5,600,000 | | | | |
End of Period (in shares) at Sep. 28, 2024 | | | | | | | 2,694,000 |
Beginning of Period at Jun. 29, 2024 | | $ 320 | $ 57 | 137,290 | (9,788) | 206,778 | $ (76,777) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | |
Class B Stock Converted to Common Stock | | 1 | (1) | | | | |
Equity-based Compensation Expense and Net Exercise of Stock Options, including ESPP | | | | 1,772 | | | |
Tax Withholding Related to Issuance of RSU’s and Shares for Bonus Obligations | | | | (42) | | | |
Foreign Currency Translation Adjustments | 1,051 | | | | 1,051 | | |
Retirement Liability Adjustment – Net of Taxes | | | | | 281 | | |
Net Loss | (11,738) | | | | | (11,738) | |
End of Period at Sep. 28, 2024 | $ 249,204 | $ 321 | $ 56 | $ 139,020 | $ (8,456) | $ 195,040 | $ (76,777) |
Beginning of Period (in shares) at Jun. 29, 2024 | | 32,024,000 | 5,662,000 | | | | |
Beginning of Period (in shares) at Jun. 29, 2024 | | | | | | | 2,694,000 |
Increase (Decrease) in Stockholders' Equity (in shares) | | | | | | | |
Net Issuance of Common Stock for RSU’s (in shares) | | 51,000 | | | | | |
Class B Stock Converted to Common Stock (in shares) | | 62,000 | (62,000) | | | | |
End of Period (in shares) at Sep. 28, 2024 | | 32,137,000 | 5,600,000 | | | | |
End of Period (in shares) at Sep. 28, 2024 | | | | | | | 2,694,000 |