Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 02, 2016	Jan. 02, 2016
Current assets:
Cash and cash equivalents	$ 21,800	$ 13,746
Short-term investments	14,742	23,208
Trade and other accounts receivable, net of allowances of $0 at both April 2, 2016 and at January 2, 2016	5,203	12,310
Inventories	20,368	18,760
Prepaid expenses and other current assets	1,599	1,712
Total current assets	63,712	69,736
Property, plant and equipment, net	12,208	11,921
Long-term investments	6,951	9,673
Restricted cash	1,780	1,780
Intangible assets, net of amortization of $5,488 at April 2, 2016 and $5,275 at January 2, 2016	2,899	3,112
Deferred income taxes and other long-term assets	1,471	1,459
Total assets	89,021	97,681
Current liabilities:
Accounts payable	4,455	5,950
Accrued payroll and related liabilities	3,364	4,066
Other accrued liabilities	3,420	5,632
Customer advances	3,625	3,625
Total current liabilities	14,864	19,273
Other long-term liabilities	2,385	2,411
Stockholders' equity:
Common stock, $0.001 par value	21	20
Additional paid-in capital	168,482	166,514
Treasury stock, 4,845 shares at April 2, 2016 and January 2, 2016	(28,489)	(28,489)
Accumulated other comprehensive income	523	412
Accumulated deficit	(68,765)	(62,460)
Total stockholders' equity	71,772	75,997
Total liabilities and stockholders' equity	$ 89,021	$ 97,681