Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Apr. 03, 2021	Jan. 02, 2021	[1]
Current assets:
Cash and cash equivalents	$ 27,993	$ 11,626
Accounts receivable, net of allowance for doubtful accounts of $250 as of April 3, 2021 and $244 as of January 2, 2021	8,185	7,289
Inventories	7,042	5,714
Prepaid expenses and other current assets	1,001	730
Total current assets	44,221	25,359
Property and equipment, net	719	449
Intangible assets, net	2,349	68
Goodwill	965	533
Operating lease right-of-use assets, net	1,228	1,428
Other long-term assets	77	132
Total assets	49,559	27,969
Current liabilities:
Accounts payable	1,687	1,148
Accrued compensation	1,873	1,965
Accrued expenses	1,447	990
Other current liabilities	2,274	816
Current portion of PPP loan	2,185	1,249
Accrued warranty	124	166
Deferred revenue	1,812	938
Operating lease liabilities	1,345	1,409
Total current liabilities	12,747	8,681
Long-term liabilities:
PPP loan	312	1,248
Accrued warranty	81	81
Deferred revenue	10,653	289
Operating lease liabilities	95	282
Other long-term liabilities	22	22
Total liabilities	23,910	10,603
Commitments and contingencies (Note 8)
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 15,522,809 and 13,899,683 shares as of April 3, 2021 and January 2, 2021, respectively	165	148
Additional paid-in capital	84,419	74,181
Accumulated other comprehensive income (loss)	19	(19)
Accumulated deficit	(58,954)	(56,944)
Total stockholders’ equity	25,649	17,366
Total liabilities and stockholders’ equity	$ 49,559	$ 27,969

[1] Derived from the audited consolidated financial statements included in the Annual Report on Form 10-K filed with the SEC for the year ended January 2, 2021.