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Balance Sheet Information
 9 Months Ended
Oct. 01, 2023
Balance Sheet Information [Abstract]  
Balance Sheet Information Balance Sheet Information
Certain significant amounts included in the Company's interim condensed consolidated balance sheets are summarized in the following tables:
Three-Month Period EndedNine-Month Period Ended
October 1, 2023October 2, 2022October 1, 2023October 2, 2022
Allowance for credit losses - Accounts receivable
Balance at beginning of period$4,209 $— $1,638 $— 
Add
Adoption of Credit Loss Standard (Topic 326)— — 168 — 
Provision for credit losses490 — 4,113 — 
Deduct
Accounts written-off— — 1,220 — 
Less recoveries of accounts charged-off— — — — 
Net account charge-offs (recoveries)— — 1,220 — 
Balance at end of period$4,699 $— $4,699 $— 
Three-Month Period EndedNine-Month Period Ended
October 1, 2023October 2, 2022October 1, 2023October 2, 2022
Allowance for credit losses - Contract assets
Balance at beginning of period$186 $— $— $— 
Add
Adoption of Credit Loss Standard (Topic 326)— — 207 — 
Provision for credit losses41 — 20 — 
Deduct
Accounts written-off— — — — 
Less recoveries of accounts charged-off— — — — 
Net account charge-offs (recoveries)— — — — 
Balance at end of period$227 $— $227 $— 
October 1, 2023January 1, 2023
Inventory
Raw materials$5,189 $3,991 
Work-in-process22 359 
Supplies and spare parts11,437 9,047 
Total inventories, current
16,648 13,397 
Inventory, noncurrent
3,166 2,605 
Total inventory
$19,814 $16,002 
October 1, 2023January 1, 2023
Prepaid expenses and other current assets
Prepaid expenses$2,371 $2,395 
Prepaid inventory374 129 
Equipment purchased for customers (1)
4,277 5,669 
Deferred contract costs1,407 2,097 
Other225 — 
Total prepaid assets and other current assets$8,654 $10,290 
__________________
(1)The Company acquired equipment for a customer that is being installed and calibrated in its facility. Prior to the customer obtaining ownership and control of the equipment, the Company recorded costs, including the acquisition costs of the equipment, incurred to date within prepaid expenses and other current assets.
October 1, 2023January 1, 2023
Property and equipment, net
Land$5,396 $5,396 
Buildings and improvements88,182 88,141 
Machinery and equipment193,495 187,276 
Fixed assets not yet in service9,664 9,746 
Total property and equipment, at cost (1)
296,737 290,559 
Less: accumulated depreciation (1)
(130,919)(110,644)
Total property and equipment, net (1)
$165,818 $179,915 
__________________
(1)Includes $13,332 and $12,521 of cost and $(3,748) and $(2,781) of accumulated depreciation associated with capital assets subject to financing leases at October 1, 2023 and January 1, 2023, respectively.
Depreciation expense was $6,719 and $6,635 for the three-month periods ended October 1, 2023 and October 2, 2022, respectively, and $20,275 and $19,349 for the nine-month periods ended October 1, 2023 and October 2, 2022, respectively, substantially all of which was classified as cost of revenue.
October 1, 2023January 1, 2023
Intangible assets, net
Software and licensed technology$10,889 $10,277 
Less: accumulated amortization
(6,046)(4,669)
Total intangible assets, net$4,843 $5,608 

Intangible assets consist of purchased software and license costs from the acquisition of Cypress Semiconductor Corporation in 2017. Additionally, the Company has entered into license agreements for third-party software and licensed technology. During the nine-month period ended October 1, 2023, the Company acquired third-party software and licensed technology of $612, which will be amortized over a weighted average estimated life of 3 years.
For the three-month periods ended October 1, 2023 and October 2, 2022, amortization of software and licensed technology was $373 and $448, respectively, and $1,376 and $1,391 for the nine-month periods ended October 1, 2023 and October 2, 2022, respectively.
Remaining estimated aggregate annual amortization expense is as follows for the years ending:
Amortization
Expense
Remainder of 2023$344 
20241,018 
2025816 
2026590 
2027308 
Thereafter1,767 
Total$4,843 
October 1, 2023January 1, 2023
Other assets
Inventory, noncurrent
$3,166 $2,605 
Operating lease right-of-use assets108 141 
Other assets1,779 944 
Total other assets$5,053 $3,690 
October 1, 2023January 1, 2023
Accrued expenses
Accrued compensation$10,245 $5,705 
Licensed technology1,000 1,500 
Accrued commissions380 30 
Accrued fixed asset expenditures— 20 
Accrued royalties3,348 4,734 
Current portion of operating lease liabilities46 44 
Current portion of finance lease liabilities636 786 
Accrued inventory1,527 1,294 
Accrued consulting fees7,720 — 
Other accrued expenses14,479 11,099 
Total accrued expenses$39,381 $25,212 
October 1, 2023January 1, 2023
Other long-term liabilities
Finance lease obligations$9,402 $9,257 
Operating lease liability 64 100 
Accrued customer payable— 3,728 
Licensed technology— 500 
Total other long-term liabilities$9,466 $13,585