Note 10 - Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Accumulated depreciation	$ 285
Lease asset, net	2,637
Total lease liabilities	3,203
Furniture, Fixtures and Equipment and Other Capital Assets [Member]
Lease asset, gross	2,922
Accounts Payable and Accrued Liabilities [Member]
Current lease liability	1,332
Other Noncurrent Liabilities [Member]
Non-current lease liability	$ 1,871