Note 12 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Lease, Cost [Table Text Block]

	For the years ended
	December 31,
	2021		2020
Operating leases
Operating lease cost	$	566	$	597
Variable lease cost		-		-
Operating lease expense		566		597
Short-term lease rent expense		-		-
Total rent expense	$	566	$	597

	For the years ended
	December 31,
	2021			2020
Operating cash flows from operating leases	$	456		$	423
Weighted-average remaining lease term – operating leases (in years)		2.38			2.99
Weighted-average discount rate – operating leases		12.0	%		12.0	%

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

Year Ending December 31, 2022		399
Year Ending December 31, 2023		275
Year Ending December 31, 2024		206
Total		880
Less present value discount		(118	)
Operating lease liabilities as of December 31, 2021	$	762