Equipment and Leasehold Improvements, Net (Tables)

9 Months Ended

Mar. 31, 2020

Property, Plant and Equipment [Abstract]

Equipment and Leasehold Improvements, Net

	March 31, 2020			June 30, 2019			Estimated Useful Life
	(in thousands)
Factory equipment	$	2,566		$	2,558		2-10 years
Computer equipment and software		1,052			1,050		5-7 years
Office equipment and furniture		205			205		5-7 years
Leasehold improvements		446			446		10 years
Project in process		108			83
Subtotal		4,377			4,342
Accumulated depreciation		(3,667	)		(3,550	)
Equipment and leasehold improvements, net	$	710		$	792