Balance Sheet Components (Details) - USD ($) $ in Thousands	Oct. 01, 2017	Jan. 01, 2017
Inventories:
Work-in-process	$ 2,742	$ 1,538
Finished goods	565	479
Inventories	3,307	2,017
Other current assets:
Prepaid expenses	862	960
Other	169	163
Other current assets	1,031	1,123
Property and equipment:
Property and equipment, gross	14,440	14,897
Accumulated depreciation and amortization	(12,193)	(12,132)
Property and equipment, net	2,247	2,765
Accrued liabilities:
Employee related accruals	1,316	1,222
Other	465	358
Accrued liabilities	1,781	1,580
Equipment
Property and equipment:
Property and equipment, gross	10,948	11,524
Software
Property and equipment:
Property and equipment, gross	2,736	2,624
Furniture and fixtures
Property and equipment:
Property and equipment, gross	45	41
Leasehold improvements
Property and equipment:
Property and equipment, gross	$ 711	$ 708

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccruedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.