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Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Inventory, Current [Table Text Block]

		December 31,				December 31,
		2022				2021
Raw materials, net of reserve of $1,777 and $502, respectively		$	1,671			$	1,583
Work-in-process			596				297
Total inventories		$	2,267			$	1,880

Property, Plant and Equipment [Table Text Block]

		December 31,
		2022				2021
Equipment		$	138			$	89
Leasehold improvements			197				135
Furniture and fixtures			199				121
Other depreciable assets			124				56
Total property and equipment			658				401
Less: accumulated depreciation and amortization			(457	)			(326	)
Net property and equipment		$	201			$	75

Schedule of Estimated Useful Lives [Table Text Block]

Asset class			Useful life assigned (in years)
Equipment			3 – 5
Furniture and fixtures			5
Leasehold improvements			Shorter of 5 years or term of lease

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