Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 03, 2020	Mar. 29, 2019	Apr. 03, 2020	Mar. 29, 2019
Revenues:
Total revenues	$ 61,379	$ 54,037	$ 175,990	$ 179,629
Cost of revenues:
Total cost of revenues	39,418	37,782	113,154	122,959
Gross margin	21,961	16,255	62,836	56,670
Operating expenses:
Research and development expenses	4,875	5,350	15,069	15,603
Selling and administrative expenses	15,233	13,408	44,334	41,405
Restructuring charges	617	0	2,175	796
Total operating expenses	20,725	18,758	61,578	57,804
Operating income (loss)	1,236	(2,503)	1,258	(1,134)
Interest income	112	73	318	167
Interest expense	(19)	(7)	(23)	(88)
Other (expense) income, net	0	(1)	0	(1)
Income (loss) before income taxes	1,329	(2,438)	1,553	(1,056)
Provision for (benefit from) income taxes	598	(6,777)	2,439	(6,955)
Net income (loss)	$ 731	$ 4,339	$ (886)	$ 5,899
Net income (loss) per share of common stock outstanding:
Basic (in dollars per share)	$ 0.14	$ 0.81	$ (0.16)	$ 1.10
Diluted (in dollars per share)	$ 0.13	$ 0.78	$ (0.16)	$ 1.05
Weighted-average shares outstanding:
Basic (in shares)	5,395	5,381	5,390	5,382
Diluted (in shares)	5,457	5,577	5,390	5,634
Product sales
Revenues:
Total revenues	$ 40,930	$ 34,615	$ 111,676	$ 115,696
Cost of revenues:
Total cost of revenues	24,676	23,712	68,466	76,670
Services
Revenues:
Total revenues	20,449	19,422	64,314	63,933
Cost of revenues:
Total cost of revenues	$ 14,742	$ 14,070	$ 44,688	$ 46,289