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


	December 31,
	2022			2021
Raw materials	$	426,516		$	1,253,111
Work in process		113,063			312,803
Finished goods		394,016			447,145
Total gross inventory - current		933,595			2,013,059
Less general inventory allowance		(24,267	)		(25,306	)
	$	909,328		$	1,987,753

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


	December 31,
	2022		2021
Raw materials - non-current, net	$	244,915	$	711,296
Work in process - non-current, net		81,958		—
Finished goods - non-current		73,930		—
	$	400,803	$	711,296

For the year ended December 31, 2022, the Company recorded adjustments to its specific inventory reserve of $49,249, to reflect the projected obsolescence of a specific inventory item, and to the general inventory allowance for estimated shrinkage, obsolescence and cycle count adjustments of $44,762. In addition, the Company recorded a provision for excess inventory of approximately $1.1 million, primarily related to the write-down of estimated excess quantities of raw materials, whose inventory levels are higher than our updated forecasts of future demand for those products.

For the year ended December 31, 2021, the Company recorded adjustments to the general inventory allowance of approximately $0.2 million. Adjustments in these periods to the general, specific and excess inventory allowances have been included in cost of product and product-related services revenue in the accompanying consolidated statements of operations.