Quarterly report pursuant to Section 13 or 15(d)

Property and equipment (Details)

v3.8.0.1
Property and equipment (Details) - USD ($)
6 Months Ended
Dec. 31, 2017
Jun. 30, 2017
Property, Plant and Equipment [Line Items]    
Gross $ 12,899,637 $ 7,999,825
Less: Accumulated depreciation (616,430) (146,011)
Total 12,283,207 7,853,814
Land [Member]    
Property, Plant and Equipment [Line Items]    
Gross 1,000,000 1,000,000
Research and Development Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Gross $ 6,510,343 1,851,427
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 $ 69,642 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 $ 2,120,868 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 $ 3,191,819 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.