Inventories (Tables)

12 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories at June 30 consist of the following:

	2013		2012
Raw materials and sub-assemblies	$	15,268,000	$	15,928,000
Work-in-process		2,495,000		2,299,000
		17,763,000		18,227,000
Less – Reserve for inventory valuation		(626,000)		(519,000)
	$	17,137,000	$	17,708,000