Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 966,000	$ 905,000	$ 2,130,000	$ 1,395,000
Other comprehensive income:
Change in unrealized gain (loss) on marketable securities, net of tax	(278,000)	289,000	728,000	358,000
Reclassification adjustment for gains included in net income			(245,000)
Total other comprehensive income (loss)	(278,000)	289,000	483,000	358,000
Comprehensive income	$ 688,000	$ 1,194,000	$ 2,613,000	$ 1,753,000