Inventory

6 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Inventory

Note 3. Inventory

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

	June 30,			December 31,
	2021			2020
Raw materials	$	1,761,381		$	1,079,528
Work in process		189,671			147,455
Finished goods		385,858			291,195
Total gross inventory		2,336,910			1,518,178
Less inventory allowance		(18,780	)		(26,052	)
	$	2,318,130		$	1,492,126

For the three and six months ended June 30, 2021, the Company recorded adjustments to provision for excess inventory of $671 and $5,507, respectively. For the three and six months ended June 30, 2020, the Company recorded adjustments to provision for excess inventory of $(5,275) and $1,672. 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 June 30, 2021 was $98,664 compared with $50,855 as of December 31, 2020.