CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Net revenues:
Systems and components	$ 28,423	$ 13,282
Technology development	1,965	382
Total net revenues	30,388	13,664
Cost of net revenues:
Systems and components	15,674	8,950
Technology development	1,667	858
Total cost of net revenues	17,341	9,808
Gross profit	13,047	3,856
Operating expenses:
Research and development	4,682	5,176
Selling, general and administrative	6,274	4,996
Total operating expenses	10,956	10,172
Income (loss) from operations	2,091	(6,316)
Interest income and other income (expense), net	110	37
Income (loss) before income taxes	2,201	(6,279)
Provision for income taxes	372	26
Net income (loss)	$ 1,829	$ (6,305)
Net income (loss) per share:
Basic	$ 0.09	$ (0.31)
Diluted	$ 0.08	$ (0.31)
Weighted average common shares outstanding:
Basic	21,216	20,551
Diluted	22,790	20,551