Note 9 - Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Compensation and related expenses	$ 2,707	$ 5,830
Professional fees	4,908	3,850
Operating lease liability - current	1,481	1,141
Clinical trial costs	1,528	788
Acquisition related contingent consideration	4,303
Financing lease liability - current	214
Other	1,141	836
Total	$ 16,282	$ 12,445

Represents accrued clinical trial costs current.

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Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

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No definition available.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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