Note 12 - Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

			Weighted Average
	Number of		Grant-Date Fair Value
	Shares		Per Share
Unvested as of December 31, 2022		822,737	$	2.37
Granted		1,398	$	3.43
Unvested as of March 31, 2023		824,135	$	2.37

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

	Three Months Ended March 31,
	2023		2022
Share-based compensation expense:
Cost of sales	$	23	$	24
Selling, general and administrative		155		168
Net effect of share-based compensation expense on net income	$	178	$	192
Reduction in earnings per share:
Basic earnings per share	$	0.01	$	0.01
Diluted earnings per share	$	0.01	$	0.01