Prepayments and Other Receivables (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Prepayments And Other Receivables [Line Items]
Prepayment to vendors for raw materials	$ 923,889	$ 591,628
Prepayment for construction in progress	7,976	13,084
Prepaid operating expenses	134,456	141,113
Advance to employees	101,246	118,492
Other receivables	808,227	0
Prepayments and other receivables	$ 1,975,794	$ 864,317