On April 3, 2017, the Company completed the sale of the Commercial Business to Ipsen. The Commercial Business represented a discontinued operation since the disposal of the Commercial Business was a strategic shift that had a major effect on the Company’s operations and financial results. The Company will not have further significant involvement in the operations of the discontinued Commercial Business. The operating results of the Commercial Business are reported as discontinued operations, net of tax in the consolidated statements of operations and comprehensive loss for all periods presented.

The consolidated financial statements for the years ended December 31, 2020 and 2019 reflect the operations of the Commercial Business as a discontinued operation. Discontinued operations for the years ended December 31, 2020 and 2019 includes the following:

(in thousands)	Years Ended December 31,
	2020		2019
Other income and expenses:
Gain on sale of Commercial Business	$	—	$	5,000
Income from discontinued operations		—		5,000
Income tax expense		—		(1,065	)
Total income from discontinued operations	$	—	$	3,935

During the year ended December 31, 2019, the Company received the remaining $5.0 million of the $33.0 million in milestone payments related to the development and commercialization of ONIVYDE, respectively. The Company included the $5.0 million in discontinued operations because the amounts directly relate to the Commercial Business, which was classified as a discontinued operation. The Company received all of the net milestone payments that related to the development and commercialization of ONIVYDE under the Servier Agreement of $33.0 million as of December 31, 2019.