Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
NET INCOME		$ 1,609	$ 3,992	$ 3,892	$ 6,927
Other comprehensive income, net of tax:
Reclassification adjustment for realized (gains) losses on marketable equity securities included in net income (1)	[1]	(143)		(1,043)	51
Reclassification adjustment for unrealized losses on marketable securities included in net income, net of income taxes (2)	[2]	17	185	17	331
Changes in fair value of marketable securities (3)	[3]	(138)	1,089	(160)	1,385
COMPREHENSIVE INCOME		$ 1,345	$ 5,266	$ 2,706	$ 8,694

[1] Net of deferred income taxes of $(88), $0, $(638), and $31, respectively.

[2] Net of deferred income taxes of $10, $113, $10, and $202, respectively.

[3] Net of deferred income taxes of $(82), $667, $(97), and $848, respectively.