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


	June 30,			December 31,
	2022			2021
Raw materials	$	1,095,588		$	1,253,111
Work in process		263,524			312,803
Finished goods		676,278			447,145
Total gross inventory - current		2,035,390			2,013,059
Less inventory allowance		(79,468	)		(25,306	)
	$	1,955,922		$	1,987,753

Inventory - non-current, net of excess inventory allowance, consisted of the following and was included in other non-current assets in the condensed consolidated balance sheets as of the dates indicated:


	June 30,			December 31,
	2022			2021
Raw materials - non-current		912,094			711,296
Less excess inventory allowance		(94,048	)		—
	$	818,046		$	711,296

For the three and six months ended June 30, 2022, the Company recorded a specific inventory reserve of ($1,970) and $52,063, respectively, to adjust estimated inventory value for the projected expiration of a specific inventory item, in addition to adjustments to the provision for excess inventory of $5,978 and $11,298 respectively for the three and six months ended June 30, 2022.

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. 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.

In addition, for the three and six months ended June 30, 2022, the Company recorded a provision for excess inventory of $94,048 primarily related to the write-down of excess quantities of raw materials, whose inventory levels were higher than our updated forecasts of future demand for those products.

HTG EdgeSeq instruments at customer locations under evaluation agreements are included in finished goods inventory. Finished goods inventory under evaluation was $0.2 million as of both June 30, 2022 and December 31, 2021.