Intangible Assets Acquired and Respective Amortizable Lives (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	May 23, 2011
Business Acquisition [Line Items]
Fair Value			$ 1,881,000
Carrying Value	1,466,961	1,724,528
Customer Relationships
Business Acquisition [Line Items]
Fair Value			1,143,400
Estimated Useful life (years)	9 years
Carrying Value	939,176	1,066,220
Tradename
Business Acquisition [Line Items]
Fair Value			132,200
Estimated Useful life (years)	14 years
Carrying Value	117,021	126,464
Technology
Business Acquisition [Line Items]
Fair Value			605,400
Estimated Useful life (years)	9 years
Carrying Value	$ 410,764	$ 531,844