CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Product	$ 10,246	$ 9,974	$ 18,105	$ 18,468
Service	5,301	4,925	10,558	9,782
Total revenues	15,547	14,899	28,663	28,250
Cost of sales:
Product	4,079	3,541	7,869	6,994
Service	2,019	1,982	4,162	4,023
Total cost of sales	6,098	5,523	12,031	11,017
Gross margin	9,449	9,376	16,632	17,233
Operating expenses:
Sales and marketing	4,368	3,797	8,843	7,191
Research and development	2,816	3,762	6,123	7,599
General and administrative	2,313	2,175	4,657	3,953
Gain on sale of product line, net	0	0	0	(4,116)
Total operating expenses	9,497	9,734	19,623	14,627
Operating income (loss)	(48)	(358)	(2,991)	2,606
Interest income	13	6	40	9
Interest expense	(1)	0	(4)	0
Other income, net	51	24	170	147
Income (loss) before income taxes	15	(328)	(2,785)	2,762
Provision (benefit) for income taxes	103	(45)	231	(162)
Net income (loss)	$ (88)	$ (283)	$ (3,016)	$ 2,924
Net income (loss) per share
Basic (in dollars per share)	$ (0.01)	$ (0.03)	$ (0.33)	$ 0.32
Diluted (in dollars per share)	$ (0.01)	$ (0.03)	$ (0.33)	$ 0.32
Weighted average shares outstanding - basic (in shares)	9,244,590	9,161,407	9,216,967	9,137,149
Weighted average shares outstanding - diluted (in shares)	9,244,590	9,161,407	9,216,967	9,201,099
Cash dividends declared per common share (in dollars per share)	$ 0.12	$ 0.12	$ 0.24	$ 0.24