Quarterly report pursuant to Section 13 or 15(d)

Intangible assets (Details)

v3.7.0.1
Intangible assets (Details) - USD ($)
9 Months Ended
Mar. 31, 2017
Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]    
Patents $ 126,246 $ 74,562
Less: Accumulated amortization (9,952) (4,889)
Subtotal 116,294 69,673
Trademarks 1,560 1,560
Intangible assets, net $ 117,854 $ 71,233
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible asset estimated useful life 15 years