Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Accounts Payable and Accrued Liabilities [Abstract]

Accounts payable and accrued liabilities

At December 31, 2012 and 2011, accounts payable and accrued liabilities consist of the following:

	December 31,
	2012		2011
Accounts payable	$	1,168,077	$	1,118,112
Accrued bonuses		497,843		583,620
Other accrued liabilities		2,324,042		979,379
	$	3,989,962	$	2,681,111