Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 30, 2019	Dec. 29, 2018	[1]
Current assets:
Cash and cash equivalents	$ 17,175	$ 21,194
Accounts receivable, net of allowance for doubtful accounts of $219 as of March 30, 2019 and $213 as of December 29, 2018	8,417	9,083
Inventories	8,701	8,794
Prepaid expenses and other current assets	766	547
Total current assets	35,059	39,618
Property and equipment, net	1,112	1,220
Intangible assets, net	96	100
Goodwill	533	533
Operating lease right-of-use assets, net	3,678
Other long-term assets	189	201
Total assets	40,667	41,672
Current liabilities:
Accounts payable	2,400	2,516
Accrued compensation	1,544	2,962
Accrued expenses	2,086	2,763
Accrued warranty	541	622
Deferred revenue	1,742	1,639
Operating lease liabilities	1,334
Total current liabilities	9,647	10,502
Long-term liabilities:
Accrued warranty	166	238
Deferred revenue	526	586
Operating lease liabilities	2,868
Other long-term liabilities	17	385
Total liabilities	13,224	11,711
Commitments and contingencies (Note 6)
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 13,633,639 and 13,602,052 shares as of March 30, 2019 and December 29, 2018, respectively	145	145
Additional paid-in capital	72,070	71,548
Accumulated other comprehensive income	78	70
Accumulated deficit	(44,850)	(41,802)
Total stockholders’ equity	27,443	29,961
Total liabilities and stockholders’ equity	$ 40,667	$ 41,672

[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 29, 2018.