CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY - USD ($) $ in Thousands	Preferred Stock	Common Stock	Additional Paid-In Capital	Cumulative Dividends Declared	Retained Deficit	Accumulated Other Comprehensive Earnings, net of tax	Total
Balance at Dec. 31, 2018	$ 21	$ 211	$ 1,235,108	$ (822,520)	$ (326,522)	$ 23,877	$ 110,175
Balance (in shares) at Dec. 31, 2018	2,070,678	21,117,006
Increase (Decrease) in Stockholders' Equity
Proceeds from exercise of stock options		$ 1	162				163
Proceeds from exercise of stock options (in shares)		64,351
Stock based compensation			107				107
Other comprehensive loss						117	117
Net loss					(12,612)		(12,612)
Balance at Mar. 31, 2019	$ 21	$ 212	1,235,377	(822,520)	(339,134)	23,994	97,950
Balance (in shares) at Mar. 31, 2019	2,070,678	21,181,357
Balance at Dec. 31, 2019	$ 21	$ 212	1,236,237	(822,520)	(334,499)	24,786	104,237
Balance (in shares) at Dec. 31, 2019	2,070,678	21,255,426
Increase (Decrease) in Stockholders' Equity
Proceeds from exercise of stock options		$ 1	46				47
Proceeds from exercise of stock options (in shares)		9,500
Stock based compensation			238				238
Other comprehensive loss						(3,073)	(3,073)
Consolidation of corporate-owned life insurance trusts					(1,281)		(1,281)
Net loss					(64,731)		(64,731)
Balance at Mar. 31, 2020	$ 21	$ 213	$ 1,236,521	$ (822,520)	$ (400,511)	$ 21,713	$ 35,437
Balance (in shares) at Mar. 31, 2020	2,070,678	21,264,926