Unaudited Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jul. 02, 2023	Jan. 01, 2023
Current assets:
Cash, cash equivalents and restricted cash	$ 20,565	$ 19,201
Accounts receivable, net of allowance for doubtful accounts of $14 and $18, as of July 2, 2023 and January 1, 2023, respectively	937	2,689
Contract assets	1,013	1,987
Inventories	2,455	2,493
Prepaid expenses and other current assets	3,045	1,570
Total current assets	28,015	27,940
Property and equipment, net	2,183	465
Capitalized internal-use software, net	1,622	1,514
Total right-of-use assets	1,338	1,397
Intangible assets, net	591	645
Non-marketable equity investment	300	300
Goodwill	185	185
Other assets	142	140
TOTAL ASSETS	34,376	32,586
Current liabilities:
Revolving line of credit	15,000	15,000
Trade payables	3,406	2,391
Accrued liabilities	1,965	1,509
Deferred revenue	294	272
Lease liabilities, current	914	850
Total current liabilities	21,579	20,022
Long-term liabilities:
Lease liabilities, non-current	441	544
Other liabilities, non-current	181	125
Total liabilities	22,201	20,691
Commitments and contingencies (see Note 11)
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.001 par value; 200,000 authorized; 13,725 and 13,202 shares issued and outstanding as of July 2, 2023 and January 1, 2023, respectively	14	13
Additional paid-in capital	320,950	317,174
Accumulated deficit	(308,789)	(305,292)
Total stockholders' equity	12,175	11,895
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 34,376	$ 32,586