Note 5 - Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	June 30, 2021							December 31, 2020
	Gross							Gross
	Carrying		Accumulated			Net Book		Carrying		Accumulated			Net Book
	Amount		Amortization			Value		Amount		Amortization			Value
Customer relationships	$	982	$	(960	)	$	22	$	982	$	(911	)	$	71

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Remainder of 2021	$	22
Total	$	22