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Noncontrolling Interest (Detail Textuals) - USD ($)
$ in Thousands
6 Months Ended
Aug. 22, 2014
Dec. 31, 2015
Jun. 30, 2015
Mar. 31, 2015
Noncontrolling Interest [Line Items]        
Payment of common stock repurchase right   $ 2,300    
Noncontrolling interest   $ 128 $ 299  
1st Detect | Texas emerging technology fund        
Noncontrolling Interest [Line Items]        
Payment of common stock repurchase right $ 2,300      
Astral Images, Inc        
Noncontrolling Interest [Line Items]        
Ownership percentage   88.00%   72.00%