Inventories

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consist of the following: 

	March 31, 2017		December 31, 2016
Purchased components	$	397,682	$	466,906
Work in progress	—		154,971
Finished goods	799,177		630,361
	$	1,196,859	$	1,252,238