Segment Information - Schedule of Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2018
Segment Reporting Information [Line Items]
Revenue	$ 0	$ 0	$ 40	$ 41
Depreciation	64	190	200	576
Loss before Income Taxes	(2,252)	(2,855)	(6,650)	(8,998)
Fixed Assets, Net	531		531		$ 733
Total Capital Expenditures					19
Total Assets	3,363		3,363		5,140
1st Detect
Segment Reporting Information [Line Items]
Revenue	0	0	0	0
Depreciation	56	99	174	305
Loss before Income Taxes	(2,048)	(2,363)	(5,918)	(7,380)
Fixed Assets, Net	511		511		699
Total Capital Expenditures					8
Total Assets	3,317		3,317		5,075
Astral Images
Segment Reporting Information [Line Items]
Revenue	0	0	40	41
Depreciation	8	91	26	271
Loss before Income Taxes	(204)	$ (492)	(732)	$ (1,618)
Fixed Assets, Net	20		20		34
Total Capital Expenditures					11
Total Assets	$ 46		$ 46		$ 65