Goodwill and Intangible Assets - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Internally developed software	$ 317,125	$ 186,676	$ 556,158	$ 294,884
Intangible asset additions			914,633	566,442
Total amortization of intangible assets	632,765	516,787	1,244,310	1,025,420
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			7 years
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			1 year
Bold [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			7 years
Bold [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			1 year
Technology [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			6 years
Technology [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			4 years
Technology [Member] | Bold [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	1,090,000		1,090,000
Trade Name and Trademark [Member] | Bold [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	30,000		30,000
Customer Base [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			7 years
Customer Base [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			5 years
Customer Base [Member] | Bold [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	2,760,000		2,760,000
Non-Compete Agreements [Member] | Bold [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	160,000		160,000
Domain Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset additions	$ 56,250		$ 358,475
Domain Names [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated useful life			5 years