Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands		Common Stock Outstanding [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2018		5,957
Balance at Dec. 31, 2018			$ 116	$ 82,776	$ (142,552)	$ 199,107	$ 139,447
Net Loss						8,301	8,301
Exercise of stock awards-shares issued including tax benefits (in shares)		1
Exercise of stock awards-shares issued including tax benefits
Treasury stock repurchases (in shares)		(40)
Treasury stock repurchases					(1,618)		(1,618)
Stock compensation	[1]			216			216
Net Income						8,301	8,301
Balance (in shares) at Mar. 31, 2019		5,918
Balance at Mar. 31, 2019			116	82,992	(144,170)	207,408	146,346
Balance (in shares) at Dec. 31, 2019		5,749
Balance at Dec. 31, 2019			117	83,688	(156,837)	207,007	133,975
Net Loss						(1,304)	(1,304)
Exercise of stock awards-shares issued including tax benefits (in shares)		2
Exercise of stock awards-shares issued including tax benefits
Treasury stock repurchases (in shares)		(9)
Treasury stock repurchases					(321)		(321)
Stock compensation				305			305
Net Income						(1,304)	(1,304)
Balance (in shares) at Mar. 31, 2020		5,742
Balance at Mar. 31, 2020			$ 117	$ 83,993	$ (157,158)	$ 205,703	$ 132,655

[1] Approximately $90,000 was accrued as Share-based compensation at March 31, 2019 for restricted stock earned by non-employee directors but for which shares were not issued until April 2019.