Equipment and Leasehold Improvements, Net (Tables)

3 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Equipment and Leasehold Improvements, Net

	September 30, 2018			June 30, 2018			Estimated Useful Life
	(in thousands)
Factory equipment	$	2,528		$	2,472		2-10 years
Computer equipment and software		1,048			1,048		5-7 years
Office equipment and furniture		205			205		5-7 years
Leasehold improvements		446			446		10 years
Subtotal		4,227			4,171
Accumulated depreciation		(3,426	)		(3,385	)
Equipment and leasehold improvements, net	$	801		$	786