Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details Textual)

v3.6.0.2
Intangible Assets (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 88 $ 91 $ 176 $ 182
Gain (Loss) on Disposition of Intangible Assets $ 0 $ 17 $ 0 $ 17
Patents [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     10 years  
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