Accounts payable and accrued liabilities

12 Months Ended

Dec. 31, 2012

Accounts Payable And Accrued Liabilities

Accounts payable and accrued liabilities

	2012		2011
Accrued liabilities related to:
Consultants and professional fees	$	114,640	$	167,500
Commissions payable on survey contracts		-		122,400
Survey expenses		29,686		18,508
Board of Directors' fees		60,000		98,612
Wages and bonuses payable		351,780		183,198
Vacation pay		51,078		81,042
		607,184		671,260
Trade payables, payroll withholdings and other		1,016,540		676,665
	$	1,623,724	$	1,347,925