Balance Sheet Details (Tables)

12 Months Ended

Jan. 01, 2022

Trade and Other Accounts Receivable, Net

Trade and Other Accounts Receivable, Net

	January 1, 2022		January 2, 2021
	(in thousands)
Trade receivables and other	$	14,162	$	22,712
Unbilled costs and accrued profits		99		5,934
Less: allowance for doubtful accounts		—		—
	$	14,261	$	28,646

Summary of Inventories

Inventories are stated at the lower of average cost or net realizable value and consist of the following:

	January 1, 2022		January 2, 2021
	(in thousands)
Raw materials	$	5,323	$	9,999
Work-in-progress		468		4,832
Finished goods		—		6,858
	$	5,791	$	21,689

Property, Plant and Equipment

Property, Plant and Equipment, Net

	January 1, 2022		January 2, 2021
	(in thousands)
Leasehold improvements	$	9,847	$	16,323
Machinery and equipment		23,818		46,846
		33,665		63,169
Less accumulated depreciation and amortization		28,906		52,165
Total property, plant and equipment, net	$	4,759	$	11,004

Net Property, Plant And Equipment By Geographic Region

Net property, plant and equipment by geographic region at January 1, 2022 and January 2, 2021 was as follows:

	January 1, 2022		January 2, 2021
	(in thousands)
United States	$	4,385	$	10,678
Asia		374		326
Net property, plant & equipment	$	4,759	$	11,004

Deferred Income Taxes and Other Long-Term Assets

Deferred Income Taxes and Other Long-Term Assets

	January 1, 2022		January 2, 2021
	(in thousands)
Deferred income taxes	$	5,310	$	5,335
Prepaid expenses		139		151
	$	5,449	$	5,486

Other Accrued Liabilities

Other Accrued Liabilities

	January 1, 2022		January 2, 2021
	(in thousands)
Other taxes payable	$	1,318	$	935
Litigation settlement		1,000		—
Income taxes payable		370		263
Restructuring		347		—
Accrued product warranties		301		405
Other		264		734
Deferred revenue		65		1,261
Total other accrued liabilities	$	3,665	$	3,598

Other Long-Term Liabilities

Other Long-Term Liabilities

	January 1, 2022		January 2, 2021
	(in thousands)
Restructuring	$	318	$	—
Accrued product warranties		45		75
Employer payroll taxes		—		382
Total other long-term liabilities	$	363	$	457