Inventory, consisting principally of raw materials, work in process and finished goods held for production and sale, is stated at the lower of cost or net realizable value, cost being determined using the weighted average cost method. The Company reviews inventory levels at least quarterly and records a valuation allowance when appropriate. At September 30, 2017 and 2016, the carrying value of inventory of $266,620 and $206,356 respectively, reflected on the consolidated balance sheets is net of this adjustment.

	September 30, 2017		September 30, 2016
Raw materials	$	111,043	$	124,035
Work in process		5,535		14,366
Finished goods		159,128		67,955
Less - Inventory reserve		9,086		0
Total (Inventories, net)	$	266,620	$	206,356