Note 13 - Leases - Components of Lease Expense (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Amortization of ROU assets - finance leases	$ 33	$ 100
Interest on lease liabilities - finance leases	12	36
Operating lease cost (cost resulting from lease payments)	1,950	5,931
Short-term lease cost	1	101
Variable lease cost (cost excluded from lease payments)	64	194
Sublease income
Total lease cost	$ 2,060	$ 6,362
Operating leases (in years) (Year)	3 years 80 days	3 years 80 days
Finance leases (in years) (Year)	5 years 36 days	5 years 36 days
Operating leases	6.00%	6.00%
Finance leases	6.50%	6.50%