Noncontrolling Interest (Detail Textuals) - USD ($) $ in Thousands	1 Months Ended
	Aug. 31, 2014	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Jun. 11, 2014	Jun. 30, 2013
Noncontrolling Interest [Line Items]
Noncontrolling interest		$ 299		$ 1,800		$ 2,788
1st Detect
Noncontrolling Interest [Line Items]
Company share of income and losses of subsidiaries					86.00%
Astrogenetix
Noncontrolling Interest [Line Items]
Company share of income and losses of subsidiaries					84.00%
First Detect And Astrogenetix
Noncontrolling Interest [Line Items]
Company share of income and losses of subsidiaries					100.00%
Astral Images, Inc
Noncontrolling Interest [Line Items]
Company share of income and losses of subsidiaries		83.00%	72.00%
Texas emerging technology fund | 1st Detect
Noncontrolling Interest [Line Items]
Payment of common stock repurchase right	$ 2,300