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Property and Equipment, Net (Tables)
6 Months Ended
Jun. 30, 2020
Property, Plant and Equipment [Abstract]  
Schedule of estimated useful lives
Asset Type   Useful Life
Test equipment, research and development equipment   4-5 years
Computer hardware   2 years
Production fixtures   3 years
Leasehold improvements   5 years
Other   3-5 years

 

Schedule of property and equipment, net
(Amounts in US$'s)  June 30,
2020
   December 31,
2019
 
Shop machinery and equipment  $9,452,873   $8,100,667 
Computers and electronics   587,659    558,561 
Office furniture and fixtures   337,394    341,214 
Leasehold improvements   243,567    222,332 
    10,621,493    9,222,774 
Less - accumulated depreciation   (8,169,348)   (7,764,668)
   $2,452,145   $1,458,106