Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Revenue	$ 86	$ 2,328
Cost of revenue	36	1,293
Gross profit	50	1,035
Operating expenses:
Selling, general and administrative	5,629	7,508
Research and development	6,065	5,587
Total operating expenses	13,387	13,095
Loss on impairment of long-lived assets	1,693	0
Loss from operations	(13,337)	(12,060)
Interest and other income, net	86	306
Loss from operations before income taxes	(13,251)	(11,754)
Income tax expense	0	(2)
Net loss	(13,251)	(11,756)
Less: Net loss attributable to noncontrolling interest	0	(174)
Net loss attributable to Astrotech Corporation	$ (13,251)	$ (11,582)
Weighted average common shares outstanding:
Basic and diluted (in shares)	4,061	4,084
Basic and diluted net loss per common share:
Net loss attributable to Astrotech Corporation (in dollars per share)	$ (3.26)	$ (2.84)
Other comprehensive loss, net of tax:
Net loss attributable to Astrotech Corporation	$ (13,251)	$ (11,582)
Available-for-sale securities
Net unrealized losses, net of zero tax expense	(94)	(20)
Reclassification adjustment for realized losses included in net loss, net of zero tax expense	124	60
Total comprehensive loss attributable to Astrotech Corporation	$ (13,221)	$ (11,542)