XML 46 R27.htm IDEA: XBRL DOCUMENT v3.19.1
Inventories (Tables)
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventories

Inventories consist of the following at December 31:

 

    2018     2017  
Raw materials   $ 10,347,616     $ 3,755,477  
Finished goods     669,843       295,805  
Total inventories   $ 11,017,459     $ 4,051,282