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Inventories (Tables)
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventories

The components of inventories are as follows (in thousands of Korean Won):

 

    December 31, 2018     December 31, 2017  
Finished goods   ₩ -     ₩ -  
Raw materials     7,217       6,200  
      7,217       6,200  
Less: Inventory reserve     -       -  
Total, net   ₩ 7,217     ₩ 6,200