Inventory

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Inventory

Note 3. Inventory

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

	December 31,
	2021			2020
Raw materials	$	1,964,407		$	1,079,528
Work in process		312,803			147,455
Finished goods		447,145			291,195
Total gross inventory		2,724,355			1,518,178
Less inventory allowance		(25,306	)		(26,052	)
	$	2,699,049		$	1,492,126

Inventory of $2.0 million and $0.7 million was included in inventory – current and other non-current assets, respectively, in the consolidated balance sheets as of December 31, 2021. There was no inventory classified as long-term as of December 31, 2020.

For the years ended December 31, 2021 and 2020, the Company recorded adjustments to the provision for excess inventory of $174,589 and $53,298, respectively. Adjustments in these periods to the allowance for estimated shrinkage, obsolescence and excess inventory and to the inventory reserve have been included in cost of product and product-related services revenue in the consolidated statements of operations.