Quarterly report pursuant to Section 13 or 15(d)

Property, plant and equipment (Details Textual)

v3.19.1
Property, plant and equipment (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Property, plant and equipment (Textual)    
Depreciation expense $ 3,165 $ 931