Statement Of Cash Flow Information (Restricted Cash) (Details)	6 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2014 Cash Posted As Security Against Company Issued Credit Cards for Olympic [Member] CAD	Dec. 31, 2013 Cash Posted As Security Against Company Issued Credit Cards for Olympic [Member] CAD	Jun. 30, 2014 Seismic Operations Bonds [Member] USD ($)	Dec. 31, 2013 Seismic Operations Bonds [Member] USD ($)
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash			125,000	125,000	$ 750,000	$ 651,000
Income Taxes Paid	1,900,000	6,400,000
Proceeds from Income Tax Refunds	$ 5,900,000	$ 300,000