Property and Equipment
 12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property and Equipment

6. Property and Equipment

 

Property and equipment at December 31, 2011 and 2010 consist of:

 

  2011   2010
       
Furniture and fixtures  $        53,386    $        53,386
Leasehold improvements          203,450            203,450
Office machines          341,698            341,698
Field Equipment       7,368,704         7,362,709
        7,967,238         7,961,243
Less: Accumulated depreciation     (6,499,881)       (5,913,764)
   $   1,467,357    $   2,047,479

 

Field equipment depreciation included in equipment expenses amounted to approximately $556,000,

$603,000, and $596,000, for years ended December 31, 2011, 2010, and 2009, respectively. A portion of equipment expenses are allocated to project costs based on equipment use. Depreciation expense

for other property and equipment approximated $69,000, $87,000, and $61,000 for years ended

December 31, 2011, 2010, and 2009, respectively and was included in operating expenses in the consolidated statement of operations.