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Note 9 - Other Current Assets - Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Prepaid expenses	$ 576		$ 571
Contract assets	839	$ 825	0
Other	3,340		1,432
Total	$ 4,755		$ 2,003

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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