Summary of Significant Accounting Policies (Details Narrative) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash and cash equivalents	$ 805,000	$ 3,125,000	$ 4,498,000
Unrealized loss on marketable securities	54,000	49,000
Marketable securities	3,500,000
Dividend income	920,000
Cost of marketable securities	$ (3,554,000)
Office Furniture And Equipment | Minimum [Member]
Estimated Useful Lives	3 years
Office Furniture And Equipment | Maximum [Member]
Estimated Useful Lives	10 years
Computer Hardware And Software | Minimum [Member]
Estimated Useful Lives	3 years
Computer Hardware And Software | Maximum [Member]
Estimated Useful Lives	5 years