Note 11 - Leases - Supplemental Cash Flow Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Operating cash flows from operating leases	$ 509
Operating leases	$ 5,736	[1]

[1] Amounts for the three months ended March 31, 2019 include the transition adjustment for the adoption of ASU 2016-02 discussed in Note 10.