XML 31 R20.htm IDEA: XBRL DOCUMENT v3.7.0.1
Oil and Gas Properties and Equipment (Tables)
3 Months Ended
Mar. 31, 2017
Oil and gas property [Abstract]  
Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure [Text Block]
2. OIL AND GAS PROPERTIES AND EQUIPMENT:
March 31,December 31,
20172016
Proven Properties:
Acquisition, equipment, exploration, drilling and abandonment costs$10,843,752$10,752,642
Less: Accumulated depletion, depreciation and amortization(9,770,832)(9,742,176)
$1,072,920$1,010,466