Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Intangible Assets [Abstract]

Summary of identified intangible assets

The amount of identified intangible assets, including the respective amounts of accumulated amortization, are as follows:

	June 30, 2013		December 31, 2012
Database	$	16,199,000	$	15,175,000
Accumulated amortization		(12,440,000)		(11,691,000)
Database, net		3,759,000		3,484,000
Customer relationships		14,100,000		14,100,000
Accumulated amortization		(5,932,000)		(5,444,000)
Customer relationships, net		8,168,000		8,656,000
Web site		9,432,000		8,325,000
Accumulated amortization		(6,174,000)		(5,220,000)
Web site, net		3,258,000		3,105,000
Acquired below market lease		2,800,000		2,800,000
Accumulated amortization		(1,863,000)		(1,712,000)
Acquired below market lease, net		937,000		1,088,000
Intangibles, net	$	16,122,000	$	16,333,000