Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Apr. 01, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents		$ 11,048	$ 13,922	[1]
Accounts receivable, net of allowance for credit losses of $146 as of April 1, 2023 and $0 as of December 31, 2022	[2]	6,931	6,229	[1]
Receivable from related party		3,828	3,539	[1]
Inventories		11,241	10,608	[1]
Prepaid expenses and other current assets		1,650	1,468	[1]
Total current assets		34,698	35,766	[1]
Property and equipment, net		449	462	[1]
Intangible assets, net		1,894	1,977	[1]
Goodwill		965	965	[1]
Operating lease right-of-use assets, net		1,423	1,665	[1]
Other long-term assets		1,551	1,455	[1]
Total assets		40,980	42,290	[1]
Current liabilities:
Accounts payable		3,546	3,858	[1]
Payable to related party		123	15	[1]
Accrued compensation		2,813	2,448	[1]
Accrued expenses		2,132	1,548	[1]
Other current liabilities		882	968	[1]
Accrued warranty		196	168	[1]
Deferred revenue		2,424	2,411	[1]
Operating lease liabilities		1,046	1,037	[1]
Total current liabilities		13,162	12,453	[1]
Long-term liabilities:
Accrued warranty		124	106	[1]
Deferred revenue		11,312	11,742	[1]
Operating lease liabilities		472	732	[1]
Other long-term liabilities		26	26	[1]
Total liabilities		25,096	25,059	[1]
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock, $0.01 par value, 2,000,000 shares authorized, no shares issued and outstanding		0	0	[1]
Common stock, $0.01 par value: Authorized: 30,000,000 shares; Issued and outstanding 16,007,161 and 15,989,662 shares as of April 1, 2023 and December 31, 2022, respectively		169	169	[1]
Additional paid-in capital		87,312	86,802	[1]
Accumulated other comprehensive loss		(35)	(24)	[1]
Accumulated deficit		(71,562)	(69,716)	[1]
Total stockholders’ equity		15,884	17,231	[1]
Total liabilities and stockholders’ equity		$ 40,980	$ 42,290	[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 December 31, 2022.

[2] Prior to our adoption of Accounting Standard Update 2016-13, “Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments” on January 1, 2023, the allowance for credit losses related to accounts receivable was not applicable and is therefore presented as $0 at December 31, 2022. See Note 3 for additional details.