Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 30, 2018 - USD ($)	Convertible redeemable preferred stock	Common stock	Additional paid-in-capital	Accumulated deficit	Accumulated other comprehensive income	Treasury Stock	Total
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Dec. 31, 2017	$ 16,000	$ 36,000	$ 31,710,000	$ (1,055,000)	$ (35,338,000)	$ (208,000)	$ (4,839,000)
Cumulative effect for accounting change at Jun. 30, 2018					630,000		630,000
Preferred Dividend			(250,000)				(250,000)
Stock-based compensation			72,000				72,000
Other Comprehensive income (loss)				(12,000)			(12,000)
Net Income (loss)					310,000		310,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Jun. 30, 2018	$ 16,000	$ 36,000	$ 31,532,000	$ (1,067,000)	$ (34,398,000)	$ (208,000)	$ (4,089,000)