Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Oct. 02, 2021	Jan. 02, 2021
Current assets:
Cash and cash equivalents		$ 25,568	$ 11,626	[1]
Accounts receivable, net of allowance for doubtful accounts of $233 as of October 2, 2021 and $244 as of January 2, 2021		8,522	7,289	[1]
Inventories		8,791	5,714	[1]
Prepaid expenses and other current assets		1,025	730	[1]
Total current assets		43,906	25,359	[1]
Property and equipment, net		567	449	[1]
Intangible assets, net		2,253	68	[1]
Goodwill		965	533	[1]
Operating lease right-of-use assets, net		2,794	1,428	[1]
Other long-term assets		57	132	[1]
Total assets		50,542	27,969	[1]
Current liabilities:
Accounts payable		3,208	1,148	[1]
Accrued compensation		2,683	1,965	[1]
Accrued expenses		1,551	990	[1]
Other current liabilities		2,256	816	[1]
Current portion of PPP loan	[1]		1,249
Accrued warranty		99	166	[1]
Deferred revenue		2,250	938	[1]
Operating lease liabilities		920	1,409	[1]
Total current liabilities		12,967	8,681	[1]
Long-term liabilities:
PPP loan	[1]		1,248
Accrued warranty		60	81	[1]
Deferred revenue		10,199	289	[1]
Operating lease liabilities		1,972	282	[1]
Other long-term liabilities		22	22	[1]
Total liabilities		25,220	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 15,862,523 and 13,899,683 shares as of October 2, 2021 and January 2, 2021, respectively		168	148	[1]
Additional paid-in capital		84,851	74,181	[1]
Accumulated other comprehensive income (loss)		29	(19)	[1]
Accumulated deficit		(59,726)	(56,944)	[1]
Total stockholders’ equity		25,322	17,366	[1]
Total liabilities and stockholders’ equity		$ 50,542	$ 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.