Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.8.0.1
Inventories (Details) - USD ($)
Sep. 30, 2017
Dec. 31, 2016
Inventories    
Finished goods $ 5,157,260 $ 4,132,036
Work in process 306,942 205,116
Raw materials 1,234,741 1,121,688
Inventory, net 6,698,943 5,458,840
Inventory valuation reserves $ 642,000 $ 960,000