Note 6 - Property and Equipment, Net - Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Property and equipment, gross	$ 15,466	$ 15,247
Accumulated depreciation	(3,739)	(3,480)
Total property and equipment, net	11,727	11,767
Land, Buildings and Improvements [Member]
Property and equipment, gross	9,093	9,039
Machinery and Equipment [Member]
Property and equipment, gross	5,892	5,745
Computer Equipment [Member]
Property and equipment, gross	300	282
Office Equipment, Furnishings and Improvements [Member]
Property and equipment, gross	$ 181	$ 181

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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