Note 1 - General (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Restrictions on Cash and Cash Equivalents [Table Text Block]

	December 31, 2023		December 31, 2022
	(In thousands)
Cash and cash equivalents	$	9,498	$	13,331
Restricted cash		19		25
Total cash, cash equivalents and restricted cash	$	9,517	$	13,356

Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]

	Operating lease payments			Expected sublease receipts
	(In thousands)
2024	$	613		$	573
2025		619			590
2026		207			199
2027		—			—
2028		—			—
Thereafter		—			—
Total future minimum lease payments		1,439			1,362
Less imputed interest		(190	)
Total operating lease liabilities	$	1,249