Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021
Cash flows from operating activities:
Issuance of common stock sold in initial public offering, net of issuance costs	$ (27,926)	$ (8,275)
Adjustments to reconcile net loss to net cash flows (used in) provided by operating activities:
Depreciation and amortization	13,657	13,336
Gain on Paycheck Protection Program loan forgiveness	0	(6,453)
Amortization of debt issuance costs included in interest expense	348	320
Long-term incentive and stock-based compensation	5,334	7,008
Change in fair value of contingent consideration	0	(886)
Cash paid for contingent consideration in excess of initial valuation	(375)	(6,114)
Deferred income taxes	(137)	(5,191)
Non-cash revenue related to customer equipment	0	(2,481)
Changes in operating assets and liabilities:
Accounts receivable	(1,024)	(3,401)
Inventories	(3,865)	(1,998)
Prepaid expenses and other assets	(751)	5,672
Accounts payable and accrued expenses	6,047	(4,482)
Deferred revenue	(5,170)	(16,695)
Income tax payable and receivable	0	(1,171)
Net cash used in operating activities	(13,862)	(30,811)
Cash flows from investing activities:
Purchase of software and licenses	(400)	(357)
Purchases of property and equipment	(5,463)	(12,898)
Net cash used in investing activities	(5,863)	(13,255)
Cash flows from financing activities:
Proceeds from issuance of common stock pursuant to the initial public offering, net of underwriting discounts and commissions	0	104,212
Net proceeds on Revolver	18,946	382
Proceeds from the issuance of common stock pursuant to the employee stock purchase plan and a long term incentive plan	1,128	0
Cash paid for offering costs	0	(1,205)
Cash paid for capital leases	(416)	(288)
Distributions to VIE member	(867)	(1,373)
Cash paid on license technology obligations	(500)	0
Repayment of Financing	(509)	(495)
Net cash provided by financing activities	17,782	101,233
Net change in cash and cash equivalents	(1,943)	57,167
Cash and cash equivalents - beginning of period	12,917	7,436
Cash and cash equivalents - end of period	10,974	64,603
Supplemental disclosure of cash flow information:
Interest	1,857	1,635
Income taxes	3	1,701
Noncash investing and financing activity:
Capital expenditures incurred, not yet paid	6,972	11,444
Common stock issuance costs incurred, not yet paid	0	662
Equipment acquired through capital lease obligations	9,008	2,603
Intangible assets acquired, not yet paid	$ 2,562	$ 0