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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net income	$ 5,506,000	$ 4,855,000	$ 16,198,000	$ 16,542,000
Other comprehensive income, net of tax
Change in fair value of marketable securities, net of tax	(294,000)	(146,000)	(282,000)	171,000
Adjustment for net (gains) realized and included in net income, net of tax	(9,000)	(459,000)	(109,000)	(592,000)
Total change in unrealized (gains) on marketable securities, net of tax	(303,000)	(605,000)	(391,000)	(421,000)
Other comprehensive income	(303,000)	(605,000)	(391,000)	(421,000)
Comprehensive income	$ 5,203,000	$ 4,250,000	$ 15,807,000	$ 16,121,000

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