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

Property and equipment (Details)

v3.8.0.1
Property and equipment (Details) - USD ($)
12 Months Ended
Jun. 26, 2017
Jun. 30, 2017
Mar. 31, 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 $ 688,162 206,985
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 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.