Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Jan. 01, 2023
Current assets:
Cash and cash equivalents and restricted cash	$ 24,606	$ 19,201
Accounts receivable, net of allowances for doubtful accounts of $34 and $18, as of December 31, 2023 and January 1, 2023, respectively	1,625	2,689
Contract assets	3,609	1,987
Note receivable	1,200	0
Inventories	2,029	2,493
Prepaid expenses and other current assets	1,561	1,570
Total current assets	34,630	27,940
Property and equipment, net	8,948	1,398
Capitalized internal-use software, net	2,069	1,514
Right of use assets, net	981	464
Intangible assets, net	537	645
Non-marketable equity investment	300	300
Goodwill	185	185
Other assets	142	140
TOTAL ASSETS	47,792	32,586
Current liabilities:
Revolving line of credit	20,000	15,000
Trade payables	4,657	2,391
Accrued liabilities	2,673	1,509
Deferred revenue	1,052	272
Notes payable, current	946	448
Lease liabilities, current	302	402
Total current liabilities	29,630	20,022
Long-term liabilities:
Lease liabilities, non-current	681	105
Notes payable, non-current	461	439
Other long-term liabilities	125	125
Total liabilities	30,897	20,691
Commitments and contingencies (Note 14)
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; 14,118 and 13,202 shares issued and outstanding as of December 31, 2023 and January 1, 2023, respectively	14	13
Additional paid-in capital	322,436	317,174
Accumulated deficit	(305,555)	(305,292)
Total stockholders' equity	16,895	11,895
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 47,792	$ 32,586