Note 7 - Goodwill and Intangible Assets - Goodwill Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Beginning balance	$ 8,205
Goodwill recorded in connection with the HCS Acquisition		12,705
Impairment charge	0	(4,500)
Ending balance	$ 8,205	$ 8,205

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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