Income Tax Expense Associated With State and International Operations (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Continuing operations:
State tax expense	$ 12,208	$ 12,432	$ 38,596	$ 37,590
Discontinued operations:
International tax (benefit) expense	20,781	9,747	371,943	16,685
Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations, Extraordinary Items, Total	$ 32,989	$ 22,179	$ 410,539	$ 54,275