Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenue	$ 0	$ 1,006
Cost of revenue	0	731
Gross profit	0	275
Operating expenses:
Selling, general and administrative	1,407	2,548
Research and development	1,669	1,292
Total operating expenses	3,076	3,840
Loss from operations	(3,076)	(3,565)
Interest and other income, net	70	98
Loss before income taxes	(3,006)	(3,467)
Income tax benefit	0	0
Net loss	(3,006)	(3,467)
Less: Net loss attributable to noncontrolling interest	0	(52)
Net loss attributable to Astrotech Corporation	$ (3,006)	$ (3,415)
Weighted average common shares outstanding:
Basic and diluted (in shares)	4,057	4,126
Basic and diluted net loss per common share:
Net loss attributable to Astrotech Corporation (in dollars per share)	$ (0.15)	$ (0.17)
Other comprehensive loss, net of tax:
Net loss attributable to Astrotech Corporation	$ (3,006)	$ (3,415)
Available-for-sale securities:
Net unrealized gain	1	41
Reclassification adjustment for realized loss	1	0
Total comprehensive loss	$ (3,004)	$ (3,374)