Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 01, 2022	Jan. 02, 2021
Current assets:
Cash and cash equivalents	$ 23,852	$ 11,626
Accounts receivable, net of allowance for doubtful accounts of $268 as of January 1, 2022 and $244 as of January 2, 2021	6,610	7,289
Receivable from related party	3,106
Inventories	7,614	5,714
Prepaid expenses and other current assets	1,071	730
Total current assets	42,253	25,359
Property and equipment, net	428	449
Intangible assets, net	2,205	68
Goodwill	965	533
Operating lease right-of-use assets, net	2,565	1,428
Other long-term assets	271	132
Total assets	48,687	27,969
Current liabilities:
Accounts payable	2,772	1,148
Payable to related party	627
Accrued compensation	3,192	1,965
Accrued expenses	1,575	990
Other current liabilities	1,098	816
Current portion of PPP loan		1,249
Accrued warranty	100	166
Deferred revenue	2,355	938
Operating lease liabilities	927	1,409
Total current liabilities	12,646	8,681
Long-term liabilities:
PPP loan		1,248
Accrued warranty	58	81
Deferred revenue	10,930	289
Operating lease liabilities	1,729	282
Other long-term liabilities	25	22
Total liabilities	25,388	10,603
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred stock, $0.01 par value, 2,000,000 shares authorized, no shares issued and outstanding
Common stock, $0.01 par value: Authorized: 30,000,000 shares; Issued and outstanding 15,876,171 and 13,899,683 shares as of January 1, 2022 and January 2, 2021, respectively	168	148
Additional paid-in capital	85,255	74,181
Accumulated other comprehensive income (loss)	45	(19)
Accumulated deficit	(62,169)	(56,944)
Total stockholders’ equity	23,299	17,366
Total liabilities and stockholders’ equity	$ 48,687	$ 27,969