Net Income (Loss) per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Numerator:
Net income (loss) attributable to Astrotech Corporation, basic and diluted	$ (113)	$ 1,014	$ (2,340)	$ (1,438)
Denominator:
Denominator for basic net loss per share attributable to Astrotech Corporation - weighted average common stock outstanding	19,463	18,764	19,279	18,448
Dilutive common stock equivalents - common stock options and share-based awards	0	388	0	0
Denominator for diluted net loss per share attributable to Astrotech Corporation - weighted average common stock outstanding and dilutive common stock equivalents	19,463	19,152	19,279	18,448
Basic net loss per share attributable to Astrotech Corporation	$ (0.01)	$ 0.05	$ (0.12)	$ (0.08)
Diluted net loss per share attributable to Astrotech Corporation	$ (0.01)	$ 0.05	$ (0.12)	$ (0.08)