Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details Textual)

v3.4.0.3
Intangible Assets (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 92 $ 88 $ 274 $ 266
Gain (Loss) on Disposition of Intangible Assets     33 47
Patents [Member]        
Finite-Lived Intangible Assets [Line Items]        
Gain (Loss) on Disposition of Intangible Assets $ 16 $ 17 $ 33 $ 47
Maximum [Member] | Intellectual Property [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     23 years  
Minimum [Member] | Intellectual Property [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     16 years