Note 7 - Shareholders' Equity - Schedule of Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Balance	$ 24,494	$ 35,112
Retirement benefits adjustment	386	49
Stock based compensation, net	247	120
Net Loss	(1,623)	(10,787)
Balance	23,504	24,494
Loss from continuing operations	(1,512)	(3,547)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(111)	(7,240)
Net loss	$ (1,623)	$ (10,787)
Weighted average common shares outstanding (basic) (in shares)	2,509	2,470
Unvested restricted stock (in shares)	18	24
Weighted average common shares outstanding (diluted) (in shares)	2,527	2,494
Continuing operations (in dollars per share)	$ (0.6)	$ (1.44)
Discontinued operation (in dollars per share)	(0.04)	(2.93)
Basic and diluted loss per share (in dollars per share)	$ (0.64)	$ (4.37)
Retained Earnings [Member]
Balance	$ 12,954	$ 23,741
Retirement benefits adjustment	0	0
Stock based compensation, net	0	0
Net Loss	(1,623)	(10,787)
Balance	11,331	12,954
Net loss	(1,623)	(10,787)
AOCI Attributable to Parent [Member]
Balance	(2,389)	(2,337)
Retirement benefits adjustment	330	(52)
Stock based compensation, net	0	0
Net Loss	0	0
Balance	(2,059)	(2,389)
Net loss	0	0
Common Stock [Member]
Balance	525	523
Retirement benefits adjustment	0	0
Stock based compensation, net	1	2
Net Loss	0	0
Balance	526	525
Net loss	0	0
Additional Paid-in Capital [Member]
Balance	14,617	14,556
Retirement benefits adjustment	0	0
Stock based compensation, net	211	61
Net Loss	0	0
Balance	14,828	14,617
Net loss	0	0
Employee Stock Ownership Trust Commitment [Member]
Balance	(56)	(157)
Retirement benefits adjustment	56	101
Stock based compensation, net	0	0
Net Loss	0	0
Balance	0	(56)
Net loss	0	0
Treasury Stock, Common [Member]
Balance	(1,157)	(1,214)
Retirement benefits adjustment	0	0
Stock based compensation, net	35	57
Net Loss	0	0
Balance	(1,122)	(1,157)
Net loss	$ 0	$ 0