Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Inventories (Details)

v3.6.0.2
Summary of Significant Accounting Policies - Inventories (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Summary of Significant Accounting Policies    
Finished goods $ 4,132,036 $ 2,732,823
Work in process 205,116 237,108
Raw materials 1,121,688 964,029
Inventory, net 5,458,840 3,933,960
Inventory valuation reserves $ 960,000 $ 711,000