Annual report pursuant to Section 13 and 15(d)

Intangible assets (Details)

v3.7.0.1
Intangible assets (Details) - USD ($)
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]    
Patents $ 135,291 $ 74,562
Customer relationships 81,773
Less: Accumulated amortization (12,097) (4,889)
Subtotal 204,967 69,673
Trademarks 1,560 1,560
Intangible assets, net $ 206,527 $ 71,233
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible asset estimated useful life 15 years  
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible asset estimated useful life 14 years