Note 16 - Leases - Components of Lease Expense (Details) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
Amortization of ROU assets - finance leases	$ 134
Interest on lease liabilities - finance leases	48
Operating lease cost (cost resulting from lease payments)	7,897
Short-term lease cost	102
Variable lease cost (cost excluded from lease payments)	256
Sublease income
Total lease cost	$ 8,437
Operating leases (in years) (Year)	3 years 131 days
Finance leases (in years) (Year)	4 years 313 days
Operating leases	6.00%
Finance leases	6.40%

Amount of interest expense on finance lease liability.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of lease cost recognized by lessee for lease contract.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of sublease income excluding finance and operating lease expense.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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