EARNINGS PER SHARE (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Class A Common Stock [Member]
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]
Net Income (Loss) Available to Common Stockholders, Basic	$ 221,000	$ 647,000	$ (3,043,000)	$ 434,000
Net Income (Loss) Available to Common Stockholders, Diluted	$ 221,000	$ 647,000	$ (3,043,000)	$ 434,000
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Common Shares Outstanding	12,713,000	12,632,000	12,713,000	12,632,000
Unvested Dividend Eligible Shares Outstanding at the Balance Sheet Date	41,000	70,000	0	70,000
Effect of Weighting	16,000	0	17,000	0
Weighted Average Shares - Basic and Diluted	12,770,265	12,701,627	12,729,666	12,701,627
Income (Loss) Per Share - Basic	$ 0.02	$ 0.05	$ (0.24)	$ 0.03
Income (Loss) Pe Share - Diluted	$ 0.02	$ 0.05	$ (0.24)	$ 0.03
Class B Common Stock [Member]
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]
Net Income (Loss) Available to Common Stockholders, Basic	$ 1,000	$ 2,000	$ (8,000)	$ 1,000
Net Income (Loss) Available to Common Stockholders, Diluted	$ 1,000	$ 2,000	$ (8,000)	$ 1,000
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Common Shares Outstanding	32,000	32,000	32,000	32,000
Weighted Average Shares - Basic and Diluted	31,938	31,938	31,938	31,938
Income (Loss) Per Share - Basic	$ 0.02	$ 0.05	$ (0.24)	$ 0.03
Income (Loss) Pe Share - Diluted	$ 0.02	$ 0.05	$ (0.24)	$ 0.03