Annual report pursuant to Section 13 and 15(d)

Property and equipment (Details)

v3.7.0.1
Property and equipment (Details) - USD ($)
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Property, Plant and Equipment [Line Items]    
Gross $ 7,999,825 $ 250,120
Less: Accumulated depreciation (146,011) (43,135)
Total $ 7,853,814 206,985
Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P3Y  
Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P10Y  
Land [Member]    
Property, Plant and Equipment [Line Items]    
Gross $ 1,000,000
Research and Development Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Gross $ 1,851,427 226,372
Research and Development Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P3Y  
Research and Development Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P10Y  
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P5Y  
Gross $ 16,783 16,783
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Gross $ 3,725 3,725
Furniture and Fixtures [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P5Y  
Furniture and Fixtures [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P10Y  
STC-MEMS equipment [Member]    
Property, Plant and Equipment [Line Items]    
Gross $ 2,124,650
STC-MEMS equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P3Y  
STC-MEMS equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P5Y  
Building [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life P11Y  
Gross $ 3,000,000
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Gross [1] $ 3,240 $ 3,240
[1] Amortized on a straight-line basis over the term of the lease or the estimated useful lives, whichever is shorter.