Annual report pursuant to Section 13 and 15(d)

Inventories (Details Textual)

v3.8.0.1
Inventories (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Inventory Write-down $ 760,785 $ 72,823
IBC-30 Battery Converter [Member]    
Inventory Write-Down, Cash Component $ 74,792