Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Jul. 03, 2021	Jan. 02, 2021
Current assets:
Cash and cash equivalents		$ 26,259	$ 11,626	[1]
Accounts receivable, net of allowance for doubtful accounts of $250 as of July 3, 2021 and $244 as of January 2, 2021		8,599	7,289	[1]
Inventories		7,962	5,714	[1]
Prepaid expenses and other current assets		911	730	[1]
Total current assets		43,731	25,359	[1]
Property and equipment, net		646	449	[1]
Intangible assets, net		2,301	68	[1]
Goodwill		965	533	[1]
Operating lease right-of-use assets, net		2,821	1,428	[1]
Other long-term assets		56	132	[1]
Total assets		50,520	27,969	[1]
Current liabilities:
Accounts payable		2,249	1,148	[1]
Accrued compensation		2,068	1,965	[1]
Accrued expenses		1,454	990	[1]
Other current liabilities		2,193	816	[1]
Current portion of PPP loan	[1]		1,249
Accrued warranty		99	166	[1]
Deferred revenue		2,005	938	[1]
Operating lease liabilities		854	1,409	[1]
Total current liabilities		10,922	8,681	[1]
Long-term liabilities:
PPP loan	[1]		1,248
Accrued warranty		81	81	[1]
Deferred revenue		10,479	289	[1]
Operating lease liabilities		2,136	282	[1]
Other long-term liabilities		22	22	[1]
Total liabilities		23,640	10,603	[1]
Commitments and contingencies (Note 8)				[1]
Stockholders’ equity:
Preferred stock, $0.01 par value, 2,000,000 shares authorized, no shares issued and outstanding				[1]
Common stock, $0.01 par value: Authorized: 30,000,000 shares: Issued and outstanding 15,783,704 and 13,899,683 shares as of July 3, 2021 and January 2, 2021, respectively		167	148	[1]
Additional paid-in capital		84,265	74,181	[1]
Accumulated other comprehensive income (loss)		9	(19)	[1]
Accumulated deficit		(57,561)	(56,944)	[1]
Total stockholders’ equity		26,880	17,366	[1]
Total liabilities and stockholders’ equity		$ 50,520	$ 27,969	[1]

[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.