Other Intangible Assets (Detail) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 8,544,648	$ 8,565,112
Accumulated Amortization	(1,633,829)	(1,383,100)
Weighted Average Useful Life (in years)	8 years	8 years
Technology - developed
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,450,743	1,452,729
Accumulated Amortization	(404,503)	(360,748)
Weighted Average Useful Life (in years)	8 years	8 years
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	240,000	240,000
Accumulated Amortization	(95,000)	(87,500)
Weighted Average Useful Life (in years)	8 years	8 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,853,905	6,872,383
Accumulated Amortization	$ (1,134,326)	$ (934,852)
Weighted Average Useful Life (in years)	8 years	8 years