Inventory

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Inventory

Note 3. Inventory

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

	March 31,			December 31,
	2021			2020
Raw materials	$	1,125,989		$	1,079,528
Work in process		228,940			147,455
Finished goods		271,599			291,195
Total gross inventory		1,626,528			1,518,178
Less inventory allowance		(23,654	)		(26,052	)
	$	1,602,874		$	1,492,126

For the three months ended March 31, 2021, the Company recorded adjustments to provision for excess inventory of $4,836 compared with $6,947 for the three months ended March 31, 2020. 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 condensed consolidated statements of operations.

HTG EdgeSeq instruments at customer locations under evaluation agreements are included in finished goods inventory. Finished goods inventory under evaluation as of March 31, 2021 was $85,648 compared with $50,855 as of December 31, 2020.