Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Mezzanine Equity Series C Convertible Redeemable Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Repurchased Stock [Member]
Beginning Balance at Dec. 31, 2018	$ 96,735		$ 555	$ 288,980	$ (192,319)	$ (481)
Beginning balance, Shares at Dec. 31, 2018			54,863			618
Net income (loss)	(3,084)				(3,084)
Ending Balance at Mar. 31, 2019	93,651		$ 555	288,980	(195,403)	$ (481)
Ending balance, shares at Mar. 31, 2019			54,863			618
Beginning Balance at Dec. 31, 2019	77,521		$ 555	288,980	(211,533)	$ (481)
Beginning balance, Shares at Dec. 31, 2019			54,863			618
Net income (loss)	4,414				4,414
Dividend	(165)	$ 165		(165)
Preferred Stock		$ 13,200
Preferred Stock, Shares		4,000
Ending Balance at Mar. 31, 2020	$ 81,770		$ 555	$ 288,815	$ (207,119)	$ (481)
Ending balance, shares at Mar. 31, 2020			54,863			618
Ending balance at Mar. 31, 2020		$ 13,365
Ending balance, Shares at Mar. 31, 2020		4,000