Quarterly report pursuant to Section 13 or 15(d)

3. INVENTORIES (Details)

v3.19.2
3. INVENTORIES (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 15,904,618 $ 14,019,668
Work-in-process 4,668,266 0
Finished goods 3,016,866 4,596,501
Total inventories $ 23,589,750 $ 18,616,169