CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jul. 03, 2021	Jan. 02, 2021
Current assets:
Cash and cash equivalents	$ 32,856	$ 29,341
Short-term investments	15,805	14,839
Trade and other accounts receivable, net of allowances of $0 at both July 3, 2021 and January 2, 2021	14,356	28,646
Inventories	20,524	21,689
Prepaid expenses and other current assets	1,691	1,893
Total current assets	85,232	96,408
Long-term investments	4,679	5,388
Restricted cash	787	787
Property, plant and equipment, net	9,683	11,004
Operating lease right-of-use-assets	6,988	8,165
Deferred income taxes and other long-term assets	5,700	5,486
Total assets	113,069	127,238
Current liabilities:
Current operating lease liabilities	2,981	2,853
Accounts payable	3,890	4,259
Accrued payroll and related liabilities	6,334	7,679
Other accrued liabilities	2,421	3,631
Total current liabilities	15,626	18,422
Noncurrent liabilities:
Noncurrent operating lease liabilities	5,267	6,803
Other long-term liabilities	428	457
Total noncurrent liabilities	5,695	7,260
Stockholders' equity:
Common stock, $0.001 par value	24	24
Additional paid-in capital	196,064	193,173
Treasury stock, 5,087 shares at both July 3, 2021 and at January 2, 2021	(29,551)	(29,551)
Accumulated other comprehensive income	571	640
Accumulated deficit	(75,360)	(62,730)
Total stockholders' equity	91,748	101,556
Total liabilities and stockholders' equity	$ 113,069	$ 127,238