Note 12 - Leases (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Operating lease cost	$	44	$	47	$	133	$	157
Short-term lease cost		4		5		15		12
Total lease cost	$	48	$	52	$	148	$	169

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Year Ending December 31,	Operating Leases
2021 (excluding the nine months ended September 30, 2021)		44
2022		132
2023		115
2024		29
2025		7
Total lease payments	$	327
Less imputed interest		(52	)
Total	$	275

Operating Lease Liabilities [Table Text Block]

	As of
	September 30, 2021		December 31, 2020
Operating lease liabilities - current	$	128	$	149
Operating lease liabilities - non-current		147		237
Total operating lease liabilities	$	275	$	386

Lessee, Operating Leases, Supplemental Cash Flow Information [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Cash paid for amounts included in the measurement of lease liabilities	$	50	$	45	$	148	$	148
Leased assets obtained in exchange for operating lease liabilities		39		41		119		137