Note 8 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Three Months Ended
	March 31,
	2024		2023
Stock options and restricted stock units, net of forfeitures	$	104	$	89
After-tax effect of stock-based compensation	$	104	$	89

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

					Weighted- Average
	Number		Weighted-		Remaining		Aggregate
	of		Average		Contractual		Intrinsic
	Options		Exercise Price		Term		Value
Outstanding on January 1, 2024		270,500	$	3.09
Granted		—		—
Exercised		—		—
Expired or forfeited		—		—
Outstanding on March 31, 2024		270,500	$	3.09		1.31	$	11
Exercisable on March 31, 2024		270,500	$	3.09		1.31	$	11

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

				Weighted Average
				Grant Date
	Shares			Fair Value
Unvested restricted stock units at January 1, 2024		1,762,248		$	1.29
Granted		106,000			1.10
Forfeited		(425,100	)		1.26
Unvested restricted stock units at March 31, 2024		1,443,148		$	1.20