5. Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

	June 30			December 31
	2013			2012
Horizon software	$	16,575		$	16,085
ZTE software		493			—
Contractual relationships		885			885
		17,953			16,970
Less accumulated amortization		(5,484	)		(4,641	)
Intangible assets, net	$	12,469		$	12,329