Consolidated Statements of Changes in Stockholders' Deficit (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2020	$ 9,723	$ 12,121	$ 383,043	$ 796,123	$ (1,178,799)	$ (65,611)	$ (53,123)
Stock-based compensation	0	0	210	0	0	0	210
Vesting of RSU's	0	0	(16,010)	0	15,980	0	(30)
Net (loss) income	0	0	0	(1,758)	0	0	(1,758)
Other comprehensive income (loss)	0	0	0	0	0	278	278
Balance at Mar. 31, 2021	9,723	12,121	367,243	794,365	(1,162,819)	(65,333)	(54,423)
Balance at Dec. 31, 2020	9,723	12,121	383,043	796,123	(1,178,799)	(65,611)	(53,123)
Net (loss) income							8,811
Other comprehensive income (loss)						1,134	1,134
Balance at Jun. 30, 2021	9,723	12,121	336,938	804,934	(1,132,075)	(64,477)	(42,559)
Balance at Mar. 31, 2021	9,723	12,121	367,243	794,365	(1,162,819)	(65,333)	(54,423)
Stock-based compensation	0	0	527	0	0	0	527
Vesting of RSU's	0	0	(24,124)	0	23,942	0	(182)
Net (loss) income	0	0	0	10,569	0	0	10,569
Other comprehensive income (loss)	0	0	0	0	0	856	856
Exercise of Stock Options	0	0	(6,708)	0	6,802	0	94
Balance at Jun. 30, 2021	9,723	12,121	336,938	804,934	(1,132,075)	(64,477)	(42,559)
Balance at Dec. 31, 2021	9,723	12,121	290,711	811,094	(1,085,313)	(53,328)	(24,715)
Stock-based compensation	0	0	427	0	0	0	427
Vesting of RSU's	0	0	(12,706)	0	12,572	0	(134)
Net (loss) income	0	0	0	3,345	0	0	3,345
Other comprehensive income (loss)	0	0	0	0	0	506	506
Balance at Mar. 31, 2022	9,723	12,121	278,432	814,439	(1,072,741)	(52,822)	(20,571)
Balance at Dec. 31, 2021	9,723	12,121	290,711	811,094	(1,085,313)	(53,328)	(24,715)
Net (loss) income							7,806
Other comprehensive income (loss)						(1,523)	(1,523)
Balance at Jun. 30, 2022	9,723	12,121	272,727	818,900	(1,066,608)	(54,851)	(17,711)
Balance at Mar. 31, 2022	9,723	12,121	278,432	814,439	(1,072,741)	(52,822)	(20,571)
Stock-based compensation	0	0	561	0	0	0	561
Net (loss) income	0	0	0	4,461	0	0	4,461
Other comprehensive income (loss)	0	0	0	0	0	(2,029)	(2,029)
Exercise of Stock Options	0	0	(6,266)	0	6,133	0	(133)
Balance at Jun. 30, 2022	$ 9,723	$ 12,121	$ 272,727	$ 818,900	$ (1,066,608)	$ (54,851)	$ (17,711)