OTHER INVESTMENTS (Details 1) - USD ($)		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Income From Other Investments [Line Items]
Net income from other investments		$ 378,000	$ 322,000
Real estate and related [Member]
Income From Other Investments [Line Items]
Net income from other investments	[1]	148,000	149,000
Income from investment in 49% owned affiliate [Member]
Income From Other Investments [Line Items]
Net income from other investments	[2]	12,000	22,000
Venture capital funds - diversified businesses [Member]
Income From Other Investments [Line Items]
Net income from other investments	[3]	231,000	151,000
Technology And Related [Member]
Income From Other Investments [Line Items]
Net income from other investments		$ (13,000)	$ 0

[1] The gain in 2016 and 2015 consists primarily of cash distributions from an investment in real estate partnership which distributed proceeds from sales of its real estate.

[2] This gain represents income from the Company’s 49% owned affiliate, T.G.I.F. Texas, Inc. (“TGIF”). In 2016 and 2015 TGIF declared and paid a cash dividend, the Company’s portion of which was approximately $193,000 each year. These dividends were recorded as reduction in the investment carrying value as required under the equity method of accounting for investments.

[3] The gain in 2016 and 2015 consists of cash distributions from various investments in partnerships owning diversified businesses which made cash distributions from the sale or refinancing of operating companies and/or distributions from operating activities.