Fair Value Measurements (Details Textual) (USD $)	1 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Additions to asset retirement obligations		$ 1,500,000	$ 1,200,000
Drilling rig [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impairment charge for equipments held in inventory			425,000	17,500
Pipe and other equipment [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impairment charge for equipments held in inventory	$ 192,000	$ 192,000	$ 60,464	$ 22,276