Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 01, 2023	Jan. 02, 2022
Current assets:
Cash and cash equivalents and restricted cash	$ 19,201	$ 19,605
Accounts receivable, net of allowances for doubtful accounts of $18 and $62, as of January 1, 2023 and January 2, 2022, respectively	2,689	999
Contract Assets	1,987	295
Inventories	2,493	2,078
Prepaid expenses and other current assets	1,570	1,181
Total current assets	27,940	24,158
Property and equipment, net	465	499
Capitalized internal-use software, net	1,514	1,241
Right of use assets, net	1,397	1,529
Intangible assets, net	645	752
Non-marketable equity investment	300	300
Goodwill	185	185
Other assets	140	309
TOTAL ASSETS	32,586	28,973
Current liabilities:
Revolving line of credit	15,000	15,000
Trade payables	2,391	934
Accrued liabilities	1,509	1,665
Deferred revenue	272	455
Lease liabilities, current	850	819
Total current liabilities	20,022	18,873
Long-term liabilities:
Lease liabilities, non-current	544	744
Other long-term liabilities	125	147
Total liabilities	20,691	19,764
Commitments and Contingencies (Note 14)	0	0
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value; 200,000 shares authorized; 13,202 and 11,863 shares issued and outstanding as of January 1, 2023 and January 2, 2022, respectively	13	12
Additional paid-in capital	317,174	310,222
Accumulated deficit	(305,292)	(301,025)
Total stockholders' equity	11,895	9,209
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 32,586	$ 28,973