CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 28, 2025	Dec. 27, 2024	Mar. 29, 2024	Dec. 29, 2023
Current assets:
Cash and cash equivalents	$ 173,114	$ 144,159
Investments available for sale (amortized cost basis of $49,659 and $86,346 at March 28, 2025 and December 27, 2024, respectively)	49,647	86,335
Accounts receivable trade, net of allowance for credit losses of $72 and $32 at March 28, 2025 and December 27, 2024, respectively	39,949	77,897
Inventories, net	48,143	43,305
Prepayments, deposits and other current assets	15,645	16,244
Total current assets	326,498	367,940
Property, plant and equipment, net	74,957	84,889
Finance lease right-of-use assets, net	0	37
Operating lease right-of-use assets, net	31,047	36,850
Goodwill	1,786	1,786
Deferred income taxes	4,002	788
Other assets	19,074	17,234
Total assets	457,364	509,524
Current liabilities:
Accounts payable	11,465	16,704
Obligations under finance leases	0	42
Obligations under operating leases	3,560	3,894
Allowance for sales returns	5,644	6,579
Other current liabilities	47,687	43,087
Total current liabilities	68,356	70,306
Obligations under operating leases	33,118	34,807
Deferred income taxes	0	297
Asset retirement obligations	43	42
Pension liability	5,875	6,737
Total liabilities	107,392	112,189
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.01 par value; 60,000 shares authorized: 49,523 and 49,294 shares issued and outstanding at March 28, 2024 and December 27, 2024, respectively	495	493
Additional paid-in capital	476,868	471,449
Accumulated other comprehensive loss	(5,604)	(7,031)
Accumulated deficit	(121,787)	(67,576)
Total stockholders’ equity	349,972	397,335	$ 392,788	$ 385,954
Total liabilities and stockholders’ equity	$ 457,364	$ 509,524