Segment and Georaphic Information (Schedule of Sales by Geographic Area) (Details) - USD ($)		3 Months Ended									12 Months Ended
		Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	[1]	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales		$ 18,774,000	$ 18,082,000	$ 17,211,000	$ 15,068,000	$ 23,440,000	$ 16,182,000		$ 23,566,000	$ 11,217,000	$ 69,135,000	$ 74,405,000	$ 59,612,000
Long-lived assets, net		8,696,000				7,667,000					8,696,000	7,667,000	6,265,000
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales											22,523,000	28,434,000	18,278,000
Long-lived assets, net		6,607,000				6,532,000					6,607,000	6,532,000	5,662,000
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	[2]										31,087,000	29,636,000	27,807,000
Long-lived assets, net	[2]	1,696,000				797,000					1,696,000	797,000	396,000
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	[3]										15,525,000	16,335,000	13,527,000
Long-lived assets, net	[3]	393,000				338,000					393,000	338,000	207,000
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales											19,700,000	24,000,000	27,800,000
Long-lived assets, net		395,000				320,000					395,000	320,000	385,000
Italy [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales											11,400,000	5,600,000	0
Long-lived assets, net		1,201,000				438,000					1,201,000	438,000	0
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales											11,800,000	12,300,000	10,000,000
Long-lived assets, net		$ 295,000				$ 195,000					$ 295,000	$ 195,000	$ 110,000

[1] In the third quarter of fiscal 2015, we acquired NMS and Coord3 (see Note 2).

[2] Our German subsidiary had net external sales of $19.7 million, $24.0 million and $27.8 million in the fiscal years ended June 30, 2016, 2015 and 2014, respectively. Long-lived assets of our German subsidiary were $395,000, $320,000 and $385,000 as of June 30, 2016, 2015 and 2014, respectively. Our Italian subsidiary had net external sales of $11.4 million, $5.6 million, and $0 in the fiscal years ended June 30, 2016, and 2015 and 2014, respectively. Long-lived assets of our Italian subsidiary were $1,201,000, $438,000 and $0 as of June 30, 2016, 2015 and 2014, respectively.

[3] Our Chinese subsidiary had net external sales of $11.8 million, $12.3 million and $10.0 million in the fiscal years ended June 30, 2016, 2015 and 2014, respectively. Long-lived assets of our Chinese subsidiary were $295,000, $195,000 and $110,000 as of June 30, 2016, 2015 and 2014, respectively.