Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Accounts Payable and Accrued Liabilities

Schedule of accounts payable and accrued liabilities

	December 31, 2012		December 31, 2011
Trade payables	$	2,169,700	$	2,945,096
Machinery and equipment payables	3,788,004		4,094,238
Payable on acquisition of Changping assets	—		5,030,513
Accrued expenses	7,514,221		4,119,443
Value added tax payable	167,230		911,286
Other tax payable	616,518		536,735
Withholding personal income tax	1,240,037		1,201,628
Bonus and benefit payables	6,776,383		5,759,425
Other payables	2,505,715		4,924,131
Total	$	24,777,808	$	29,522,495