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Note 9 - Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Other Current Assets [Table Text Block]

		December 31,
		2018				2017
Prepaid expenses		$	576			$	571
Contract assets			839				0
Other			3,340				1,432
Total		$	4,755			$	2,003

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