Post-effective amendment to a registration statement that is not immediately effective upon filing

Intangible assets (Details)

v3.8.0.1
Intangible assets (Details) - USD ($)
12 Months Ended
Jun. 30, 2017
Mar. 31, 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 $ 117,854 $ 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