Annual report pursuant to Section 13 and 15(d)

Note 4 - Property and Equipment - Property, Plant and Equipment (Details)

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Note 4 - Property and Equipment - Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Property, plant and equipment, gross $ 720 $ 404
Accumulated depreciation 336 262
Property, plant and equipment, net 384 142
Laboratory Equipment [Member]    
Property, plant and equipment, gross 176 173
Accumulated depreciation 129 94
Property, plant and equipment, net 47 79
Computer Equipment [Member]    
Property, plant and equipment, gross 80 47
Accumulated depreciation 40 31
Property, plant and equipment, net 40 16
Software and Software Development Costs [Member]    
Property, plant and equipment, gross 222 80
Accumulated depreciation 80 79
Property, plant and equipment, net 142 1
Furniture and Fixtures [Member]    
Property, plant and equipment, gross 82 35
Accumulated depreciation 28 19
Property, plant and equipment, net 54 16
Leasehold Improvements [Member]    
Property, plant and equipment, gross 160 69
Accumulated depreciation 59 39
Property, plant and equipment, net $ 101 $ 30