3. Inventories

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Inventories

Inventories consist of :	March 31, 2018		December 31, 2017
Materials	$	1,406,998	$	1,524,728
Work in process		121,370		1,149
Finished goods		3,851,563		3,676,426
Total	$	5,379,931	$	5,202,303

Finished goods includes consigned inventory of $905,700 at March 31, 2018 and $958,500 at December 31, 2017. The Company reviews inventory for obsolete and slow moving products each quarter and makes provisions based on its estimate of the probability that the material will not be consumed or that it will be sold below cost. The provision for inventory reserves was negligible for both three months ended March 31, 2018 and 2017 respectively.