Note 8 - Leases (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Lease, Cost [Table Text Block]

	March 31, 2019
Weighted-average remaining lease term
Operating leases		6.30 years
Weighted-average discount rate
Operating leases		6.12	%

	Three Months Ended March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Cash used in operating leases	$	1,653
Total cash paid for amounts included in the measurement of lease liabilities	$	1,653

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

(In thousands)	Minimum Future Lease Payments
Year Ending December 31,
2019	$	3,530
2020		5,621
2021		5,693
2022		5,649
2023		5,643
Thereafter		6,562
Total minimum future lease payments		32,698
Amounts representing interest		(5,228	)
Present value of net future minimum lease payments	$	27,470