Condensed Consolidated Statement of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2018	$ 302	$ 100,742	$ 153,830	$ 254,874
Balance (in Shares) at Dec. 31, 2018	30,245
Stock-based compensation		494		494
Dividends			(1,241)	(1,241)
Net income (loss)			7,000	7,000
Balance at Mar. 31, 2019	$ 302	101,236	159,589	261,127
Balance (in Shares) at Mar. 31, 2019	30,245
Balance at Dec. 31, 2019	$ 304	102,215	89,011	191,530
Balance (in Shares) at Dec. 31, 2019	30,420
Stock-based compensation		319		319
Dividends			(1,236)	(1,236)
Net income (loss)			(3,660)	(3,660)
Balance at Mar. 31, 2020	$ 304	$ 102,534	$ 84,115	$ 186,953
Balance (in Shares) at Mar. 31, 2020	30,420