Summary of Significant Accounting Policies (Narrative) (Details) shares in Thousands	12 Months Ended
	Jun. 30, 2016 USD ($) item shares	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 USD ($) shares	Jun. 30, 2013 USD ($)
Summary of Significant Accounting Policies [Line Items]
Shares excluded from the computation of diluted EPS | shares	194	181	196
Cash and cash equivalents	$ 6,787,000	$ 11,502,000	$ 23,070,000	$ 13,364,000
Investment	2,244,000	4,961,000
Inventory reserves	1,608,000	1,436,000
Other-than-temporary impairments	0	0
Depreciation expense	$ 1,016,000	770,000	726,000
Fair value in excess of carrying value, percent	12.00%
Goodwill impaiment loss	$ 0
Goodwill	$ 7,500,000	7,499,000
Number of product lines not viable | item	1
Intangible assets written off	$ 694,000
Amortization expense	$ 1,121,000	328,000	$ 0
Measurement Solutions Labor And Related Travel [Member]
Summary of Significant Accounting Policies [Line Items]
Standard product warranty period	1 year
TriCam Sensors [Member]
Summary of Significant Accounting Policies [Line Items]
Standard product warranty period	3 years
ScanWorks [Member]
Summary of Significant Accounting Policies [Line Items]
Standard product warranty period	1 year
WheelWorks [Member]
Summary of Significant Accounting Policies [Line Items]
Standard product warranty period	2 years
Foreign Bank Accounts [Member]
Summary of Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 5,849,000
Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Delivery time of multi-element order, months	3 months
Accounts receivable maturity period	30 days
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Delivery time of multi-element order, months	15 months
Accounts receivable maturity period	60 days
Weighted Average [Member]
Summary of Significant Accounting Policies [Line Items]
Amortization period	5 years
Machinery and Equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	3 years
Machinery and Equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	15 years
Furniture and Fixtures [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	15 years
Building [Member]
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	40 years
Building Improvements [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	10 years
Building Improvements [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	15 years
Customer/Distributor Relationships [Member]
Summary of Significant Accounting Policies [Line Items]
Amortization period	5 years
Trade Name [Member]
Summary of Significant Accounting Policies [Line Items]
Amortization period	10 years
Software [Member]
Summary of Significant Accounting Policies [Line Items]
Amortization period	5 years
Long-Term Investments [Member]
Summary of Significant Accounting Policies [Line Items]
Investment	$ 770,000	827,000
Long-Term Investments [Member] | Preferred Shares [Member]
Summary of Significant Accounting Policies [Line Items]
Investment	$ 725,000	$ 725,000