Composition of Certain Financial Statement Items (Details 1) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Property, Plant and Equipment [Line Items]
Total gross	$ 9,054	$ 8,897
Accumulated depreciation	(7,768)	(7,427)
Property, plant and equipment, net	1,286	1,470
Office Furnishings and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total gross	2,007	2,008
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total gross	4,953	4,803
Leasehold & Improvement [Member]
Property, Plant and Equipment [Line Items]
Total gross	$ 2,094	$ 2,086