Inventories

3 Months Ended

Mar. 31, 2018

Inventories [Abstract]

Inventories

  3. Inventories

Inventories consist of the following:

	March 31, 2018	December 31, 2017
Raw materials	$      2,578,473	$         2,528,270
Work in process	197,820	4,836
Finished goods	2,779,669	2,515,637
Reserve for obsolescence	(4,109,388)	(3,901,772)
Total inventory	$      1,446,574	$         1,146,971