Note 6 - Accrued Expenses and Other Current Liabilities

3 Months Ended

Mar. 31, 2020

Notes to Financial Statements

Accrued Expenses and Other Liabilities [Text Block]

6

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Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

	As of
	March 31, 2020		December 31, 2019
Compensation	$	955,494	$	2,966,139
Deferred revenue		13,601,728		2,298,341
Interest payable		—		977,724
Lease liability, current portion		427,064		419,709
Research and development vendor costs		231,832		707,685
Professional fees		401,073		288,707
Vacation		340,242		256,402
Other		701,265		722,204
Accrued expenses and other current liabilities	$	16,658,698	$	8,636,911