INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2022

Intangible assets at March 31, 2022 and December 31, 2021 consist of the following:

	March 31, 2022						December 31, 2021
	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Trademark and other intangible rights related to Nabi-HB	$	4,100,046	$	2,830,985	$	1,269,061	$	4,100,046	$	2,684,554	$	1,415,492
Rights to intermediates		907,421		626,552		280,869		907,421		594,145		313,276
	$	5,007,467	$	3,457,537	$	1,549,930	$	5,007,467	$	3,278,699	$	1,728,768

Intangible Asset Future Aggregate Amortization Expense

All of the Company’s intangible assets were acquired in the Biotest Transaction. Amortization expense related to these intangible assets was $0.2 million for the three months ended March 31, 2022 and 2021. Estimated aggregate future aggregate amortization expense is expected to be as follows:

Remainder of 2022	$	536,514
2023		715,352
2024		298,064