Other Income (Expenses) (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Other Income Net [Line Items]
Other	$ 147	$ (538)	$ 35,011	$ 94,241
Government Subsides
Other Income Net [Line Items]
Other	340	0	80,448	95,128
Other
Other Income Net [Line Items]
Other	$ (193)	$ (538)	$ (45,437)	$ (887)