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Note 5 - Balance Sheet Information (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Inventory, Current [Table Text Block]

		June 30, 2020				December 31, 2019
		(in thousands)
Finished goods		$	5,749			$	5,561
Work in process			3,929				3,153
Raw materials			13,503				13,347
Total		$	23,181			$	22,061

Other Current Liabilities [Table Text Block]

		June 30, 2020				December 31, 2019
		(in thousands)
Compensation and payroll		$	2,924			$	2,554
Professional fees			563				395
Warranty costs			193				252
Customer related costs			996				963
Interest			415				425
Other			1,299				1,502
Total		$	6,390			$	6,091

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