Quarterly report pursuant to Section 13 or 15(d)

Intangible assets (Details)

v3.5.0.2
Intangible assets (Details) - USD ($)
3 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]    
Patents $ 88,286 $ 74,562
Less: Accumulated amortization (6,239) (4,889)
Subtotal 82,047 69,673
Trademarks 1,560 1,560
Intangible assets, net $ 83,607 $ 71,233
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible asset estimated useful life 15 years