Inventory

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Inventory

Note 3. Inventory

Inventory, net of allowance, consisted of the following as of the date indicated:

	December 31,
	2018			2017
Raw materials	$	892,631		$	984,328
Work in process		168,937			66,314
Finished goods		284,444			192,021
Total gross inventory		1,346,012			1,242,663
Less inventory allowance		(39,403	)		(62,142	)
	$	1,306,609		$	1,180,521

The reserve for shrinkage and excess inventory was $39,403 and $62,142 as of December 31, 2018 and 2017, respectively. For the year ended December 31, 2018, the Company recorded a net decrease in the inventory reserve of $22,739, compared to a net decrease of $208,165 for the year ended December 31, 2017, to adjust for estimated shrinkage and obsolescence. For the years ended December 31, 2018 and 2017, the Company recorded adjustments to the provision for excess inventory of $83,218 and $366,963, respectively. Adjustments in these periods to the allowance for estimated shrinkage, obsolescence and excess inventory have been included in cost of product and product-related services revenue in the accompanying consolidated statements of operations.