Severance, Impairment And Other Charges (Narrative) (Details) - USD ($)	3 Months Ended			9 Months Ended		15 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2018	Mar. 31, 2017	Sep. 30, 2017	Dec. 31, 2017	Jul. 31, 2017
Restructuring Cost and Reserve [Line Items]
Headcount reduction			11.00%
Inventory write-off	$ (3,000)	$ (102,000)		$ (17,000)	$ 295,000	$ 290,000
Impairment				(42,000)	145,000	$ 127,000
Restructuring costs incurred to date	3,531,000			3,531,000
Accruals - Severance Related		105,000		(13,000)	280,000
U.S. [Member]
Restructuring Cost and Reserve [Line Items]
Accruals - Severance Related		121,000		2,000	292,000
China [Member]
Restructuring Cost and Reserve [Line Items]
Accruals - Severance Related				(15,000)	82,000
Germany [Member]
Restructuring Cost and Reserve [Line Items]
Accruals - Severance Related		$ (16,000)			$ (94,000)
3CEMS [Member]
Restructuring Cost and Reserve [Line Items]
Accrual for judgment/settlement	$ 250,000			$ 250,000
3CEMS [Member] | Loss on Purchase Commitment [Member]
Restructuring Cost and Reserve [Line Items]
Accrual for judgment/settlement								$ 1,000,000
Trade Secrets Case [Member]
Restructuring Cost and Reserve [Line Items]
Accrual for judgment/settlement							$ 675,000