CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Product	$ 10,772	$ 11,327	$ 29,240	$ 34,881
Service	4,684	5,783	14,466	15,765
Total revenues	15,456	17,110	43,706	50,646
Cost of sales:
Product	5,676	4,578	12,670	14,897
Service	1,821	2,447	5,844	7,159
Total cost of sales	7,497	7,025	18,514	22,056
Gross margin	7,959	10,085	25,192	28,590
Operating expenses:
Sales and marketing	4,252	3,410	11,443	10,889
Research and development	3,467	3,484	11,066	10,164
General and administrative	2,150	1,628	6,103	6,027
Gain on sale of product line, net	0	0	(4,116)	0
Gain on sale of intangible assets, net	0	0	0	(339)
Total operating expenses	9,869	8,522	24,496	26,741
Operating income (loss)	(1,910)	1,563	696	1,849
Interest income	16	2	24	7
Interest expense	(1)	0	(1)	0
Other income (expense), net	277	(1)	425	(377)
Income (loss) before income taxes	(1,618)	1,564	1,144	1,479
Provision (benefit) for income taxes	(442)	716	(604)	787
Net income (loss)	$ (1,176)	$ 848	$ 1,748	$ 692
Net income (loss) per share
Basic (in dollars per share)	$ (0.13)	$ 0.09	$ 0.19	$ 0.08
Diluted (in dollars per share)	$ (0.13)	$ 0.09	$ 0.19	$ 0.08
Weighted average shares outstanding - basic (in shares)	9,168,978	9,096,255	9,147,681	9,057,710
Weighted average shares outstanding - diluted (in shares)	9,168,978	9,132,258	9,227,966	9,135,153
Cash dividends declared per common share (in dollars per share)	$ 0.12	$ 0.12	$ 0.36	$ 0.36