Organization and Summary of Significant Accounting Policies - Composition of Inventory (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Finished goods	$ 3,509,500	$ 2,101,300
Raw materials	2,014,600	2,717,300
Inventory reserve for obsolescence	(120,000)	(120,000)
Inventories, net	$ 5,404,100	$ 4,698,600