Consolidated Statement of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Comprehensive income (loss):
Net loss	$ (946)	$ (2,232)	$ (4,727)	$ (6,642)
Other comprehensive income:
Change in fair value of available for sale marketable securities, net of tax	0	(2)	(393)	105
Total comprehensive loss	(946)	(2,234)	(5,120)	(6,537)
Less: Comprehensive income (loss) attributable to noncontrolling interests	430	(187)	1,208	(187)
Comprehensive loss attributable to common stockholders	$ (1,376)	$ (2,047)	$ (6,328)	$ (6,350)