Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016		Jun. 30, 2015
Segment Reporting Information [Line Items]
Net Sales	$ 20,158		$ 13,383
Gross Profit	5,403		3,704
Operating Income (loss)	526		(902)
Depreciation and amortization expense	614		578
Total assets	11,147		12,516
Pro-Dex [Member]
Segment Reporting Information [Line Items]
Net Sales	17,158		11,617
Gross Profit	4,632		2,653
Operating Income (loss)	1,985		75
Depreciation and amortization expense	536		536
Total assets	7,414		8,479
OMS [Member]
Segment Reporting Information [Line Items]
Net Sales	969		1,394
Gross Profit	484		927
Operating Income (loss)	(282)		144
Depreciation and amortization expense	11		11
Total assets	371		548
Fineline [Member]
Segment Reporting Information [Line Items]
Net Sales	1,301	[1]	257
Gross Profit	32	[1]	44
Operating Income (loss)	(415)	[1]	(33)
Depreciation and amortization expense	67	[1]	31
Total assets	660	[1]	962
ESD [Member]
Segment Reporting Information [Line Items]
Net Sales	730		115
Gross Profit	255		80
Operating Income (loss)	(70)		(361)
Depreciation and amortization expense
Total assets	186		17
Corporate Unallocated [Member]
Segment Reporting Information [Line Items]
Net Sales
Gross Profit
Operating Income (loss)	(692)		(727)
Depreciation and amortization expense
Total assets	$ 2,516		$ 2,510

[1] The Fineline operating loss includes $245,000 related to impairment of goodwill and long-lived assets.