Inventories

6 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Inventories

3. Inventories

Inventories consist of the following:

	June 30, 2021			December 31, 2020
Raw materials	$	3,284,691		$	2,950,912
Work in process		919,214			433,026
Finished goods		2,397,991			2,987,039
Reserve for excess and obsolescence		(2,455,205	)		(3,075,520	)
Total inventory	$	4,146,691		$	3,295,457

The reserve for excess and obsolescence primarily includes Niobe Systems and related raw materials and spare parts.