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Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

Intangible assets and Goodwill consisted of the following at December 31:

						2018						2017
Product and license rights						$	36,573,941					$	21,879,981
Less: accumulated amortization						(8,405,188)						(6,564,007)
Total product and license rights						28,168,753						15,315,974
Patents						9,428,266						9,177,647
Less: accumulated amortization						(4,087,273)						(3,158,990)
Total patents						5,340,993						6,018,657
Trademarks						154,373						118,934
Less: accumulated amortization						(9,020)						(9,020)
Total trademarks						145,353						109,914
Total intangible assets						$	33,655,099					$	21,444,545
Goodwill						$	784,000					$	—

Schedule of expected amortization expense of intangible assets

Amortization expense related to product and license rights, trademarks and patents were as follows for the years ended December 31:

						2018						2017						2016
Amortization expense						$	2,769,466					$	2,436,222					$	2,194,039

The expected amortization expense for the Company's current balance of intangible assets are as follows:

Year ending December 31:
2019						$	3,658,612
2020						3,737,638
2021						3,737,638
2022						3,426,180
2023 and thereafter						19,095,031
						$	33,655,099

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- References

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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