Note 8 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Stock options and restricted stock units, net of forfeited	$	57	$	138	$	207	$	357
Tax benefit of stock-based compensation expense		—		—		—		—
After-tax effect of stock-based compensation	$	57	$	138	$	207	$	357

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

	Number of Options			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding on January 1, 2020		747,500		$	3.33
Granted		—			—
Exercised		—			—
Expired or forfeited		(80,000	)		5.79
Outstanding on September 30, 2020		667,500		$	3.04		4.48	$	—
Exercisable on September 30, 2020		667,500		$	3.04		4.48	$	—

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

	Shares			Weighted Average Grant Date Fair Value
Unvested restricted stock units at January 1, 2020		775,635		$	1.47
Granted		—			—
Forfeited		(60,000	)		0.97
Vested		(120,630	)		1.57
Unvested restricted stock units at September 30, 2020		595,005		$	1.50