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Intangible Assets and Goodwill
 12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets and Goodwill Intangible Assets and Goodwill
Intangible assets and Goodwill consisted of the following at December 31, 2023 and 2022.
20232022
Product and license rights$43,250,341 $49,668,141 
Less: accumulated amortization(22,755,543)(21,891,974)
Total product and license rights20,494,798 27,776,167 
Patents10,712,405 10,610,228 
Less: accumulated amortization(8,819,287)(8,051,018)
Total patents1,893,118 2,559,210 
Trademarks413,775 397,974 
Less: accumulated amortization(193,773)(142,673)
Total trademarks220,002 255,301 
Total intangible assets$22,607,918 $30,590,678 
Goodwill$914,000 $914,000 
Product and license rights include assets associated with the Company’s acquired products, including those discussed in Note 3, Vibativ and Sancuso.
During 2023 and 2022, the Company recorded an additional $0.1 million and $0.2 million, respectively, in intangible assets for patents, trademarks and capitalized patent costs, including amounts incurred in the protection of the Company's intellectual property.
Amortization expense related to product and license rights, trademarks and patents were as follows for the years ended December 31:
20232022
Amortization and impairment expense$8,102,648 $5,067,368 
The expected amortization expense for the Company's current balance of intangible assets are as follows:
Year ending December 31:
2024$4,304,157 
20254,245,825 
20263,859,206 
20273,452,780 
2028 and thereafter6,745,950 
$22,607,918