Note 4 - Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Property, Plant and Equipment [Table Text Block]

	September 30,			December 31,
	2021			2020			Estimated Useful Life (in years)
Machinery and equipment	$	42		$	38		5
Trade show booth		171			171		5
Office equipment		474			405		5
Leasehold improvements		380			380		Lesser of lease term or estimated useful life
		1,067			994
Accumulated depreciation		(618	)		(463	)
	$	449		$	531