Note 8 - Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Dividends Payable [Table Text Block]

Declaration Date	Per Share		Amount		Record Date	Payment Date
February 10, 2020	$	0.20	$	2,285	February 25, 2020	March 6, 2020
May 4, 2020		0.20		2,285	May 19, 2020	May 29, 2020
	$	0.40	$	4,570

Nonvested Restricted Stock Shares Activity [Table Text Block]

	Shares			Wtd. Avg. Price at Date of Issuance
Nonvested at December 31, 2019		957,682		$	7.34
Vested		(195,722	)	$	7.53
Nonvested at June 30, 2020		761,960		$	7.29

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Foreign Currency Translation Adjustment			Unrealized Gains (Losses) on Available-For-Sale Investments			Total
Balance, December 31, 2019	$	(1,245	)	$	(19	)	$	(1,264	)
Other comprehensive income (loss)		(138	)		18			(120	)
Balance, June 30, 2020	$	(1,383	)	$	(1	)	$	(1,384	)