CONSOLIDATED STATEMENTS OF MEZZANINE AND STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common stock	Treasury Stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Accumulated deficit	Redeemable Preferred Stock
Increase (Decrease) in Temporary Equity [Roll Forward]
Redeemable Preferred stock, beginning balance (in shares)							0
Redeemable Preferred stock, beginning balance							$ 0
Equity, beginning balance (in shares) at Dec. 31, 2017		2,006,000
Equity, beginning balance at Dec. 31, 2017	$ 27,799	$ 0	$ (5,728)	$ 148,165	$ (5)	$ (114,633)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	634			634
Shares issued under stock incentive plans, net of shares withheld for employee taxes (in shares)		19,000
Shares issued under stock incentive plans, net of shares withheld for employee taxes	(48)			(48)
Dividends paid	(3,321)			(3,321)
Net (loss) income	736					736
Unrealized gain on securities available-for-sale					(17)	17
Reclassification of tax provision impact	$ 0
Equity, ending balance (in shares) at Dec. 31, 2018	2,024,979	2,025,000
Equity, ending balance at Dec. 31, 2018	$ 25,800	$ 0	(5,728)	145,430	(22)	(113,880)
Increase (Decrease) in Temporary Equity [Roll Forward]
Redeemable Preferred stock, beginning balance (in shares)							0
Redeemable Preferred stock, beginning balance							$ 0
Redeemable Preferred stock, ending balance (in shares) at Dec. 31, 2018							0
Redeemable Preferred stock, ending balance at Dec. 31, 2018							$ 0
Increase (Decrease) in Temporary Equity [Roll Forward]
Redeemable Preferred stock, beginning balance (in shares)							0
Redeemable Preferred stock, beginning balance							$ 0
Stock-based compensation	540			540
Shares issued under stock incentive plans, net of shares withheld for employee taxes (in shares)		23,000
Shares issued under stock incentive plans, net of shares withheld for employee taxes	(24)			(24)
Shares issued for fractional shares in conjunction with reverse stock split( in shares)		2,000
Shares issued for fractional shares in conjunction with reverse stock split	2			2
Accrued dividend on redeemable preferred stock	(596)			(596)
Net (loss) income	(4,627)					(4,627)
Reclassification of tax provision impact	$ 22				22	(22)
Equity, ending balance (in shares) at Dec. 31, 2019	2,050,659	2,050,000
Equity, ending balance at Dec. 31, 2019	$ 21,095	$ 0	$ (5,728)	$ 145,352	$ 0	$ (118,529)
Increase (Decrease) in Temporary Equity [Roll Forward]
Redeemable Preferred stock, beginning balance (in shares)							1,916,000
Redeemable Preferred stock, beginning balance							$ 19,602
Issuance of preferred stock (in shares)							1,916,000
Issuance of preferred stock	19,006						$ 19,156
Fees paid on issuance of preferred stock	0						(150)
Accrued dividend on redeemable preferred stock	$ 596						$ 596
Redeemable Preferred stock, ending balance (in shares) at Dec. 31, 2019							1,916,000
Redeemable Preferred stock, ending balance at Dec. 31, 2019							$ 19,602
Increase (Decrease) in Temporary Equity [Roll Forward]
Redeemable Preferred stock, beginning balance (in shares)							1,916,000
Redeemable Preferred stock, beginning balance							$ 19,602