Note 9 - Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	Operating lease payments			Expected sublease receipts
	(Unaudited - In thousands)
2021 (nine months ending December 31)	$	447		$	396
2022		601			540
2023		607			556
2024		613			573
2025		619			590
2026		207			199
Thereafter		—			—
Total future minimum lease payments		3,094		$	2,854
Less imputed interest		(792	)
Total operating lease liabilities	$	2,302