Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Details)

v3.7.0.1
Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross carrying value $ 5,446 $ 5,365
Finite-Lived Intangible Assets, Accumulated Amortization (3,623) (3,273)
Net intangible assets 1,823 2,092
Intellectual Property [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross carrying value 3,100 3,100
Finite-Lived Intangible Assets, Accumulated Amortization (2,088) (1,932)
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross carrying value 2,346 2,265
Finite-Lived Intangible Assets, Accumulated Amortization $ (1,535) $ (1,341)