Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Revenue	$ 411	$ 196	$ 1,937	$ 1,123
Cost of revenue	161	354	1,211	986
Gross profit (loss)	250	(158)	726	137
Operating expenses:
Selling, general and administrative	1,633	1,875	5,817	5,832
Research and development	1,561	1,903	4,107	4,493
Total operating expenses	3,194	3,778	9,924	10,325
Loss from operations	(2,944)	(3,936)	(9,198)	(10,188)
Interest and other expense, net	99	86	232	279
Loss before income taxes	(2,845)	(3,850)	(8,966)	(9,909)
Income tax (expense) benefit	(2)	11	(2)	9
Net loss	(2,847)	(3,839)	(8,968)	(9,900)
Less: Net loss attributable to noncontrolling interest	(47)	(97)	(150)	(268)
Net loss attributable to Astrotech Corporation	$ (2,800)	$ (3,742)	$ (8,818)	$ (9,632)
Weighted average common shares outstanding:
Basic and Diluted (in shares)	20,164	20,636	20,474	20,681
Basic and diluted net loss per common share:
Net loss attributable to Astrotech Corporation (in dollars per share)	$ (0.14)	$ (0.18)	$ (0.43)	$ (0.47)
Available-for-sale securities:
Net unrealized gain (loss)	$ 18	$ 29	$ (21)	$ (161)
Reclassification adjustment for realized losses	0	0	60	14
Total comprehensive loss	$ (2,782)	$ (3,713)	$ (8,779)	$ (9,779)