Transactions With Related Parties (Details) (USD $)		1 Months Ended		12 Months Ended			1 Months Ended	12 Months Ended
	Dec. 31, 2013	Oct. 31, 2011 Darden Family [Member]	Feb. 15, 2014 Darden Family [Member]	Dec. 31, 2013 Mercury Exploration Company [Member]	Dec. 31, 2012 Mercury Exploration Company [Member]	Dec. 31, 2011 Mercury Exploration Company [Member]	May 31, 2013 Thomas F. Darden [Member]	Dec. 31, 2012 Rent On Buildings [Member] Darden Family [Member]	Dec. 31, 2011 Rent On Buildings [Member] Darden Family [Member]	Dec. 31, 2013 Commissions Paid [Member] Darden Family [Member]	Dec. 31, 2013 Use Of Airplane [Member] Darden Family [Member]	Dec. 31, 2012 Use Of Airplane [Member] Darden Family [Member]	Dec. 31, 2011 Use Of Airplane [Member] Darden Family [Member]	May 31, 2013 Restricted Stock [Member] Thomas F. Darden [Member]	May 31, 2013 Employee Stock Option [Member] Thomas F. Darden [Member]
Related Party Transaction [Line Items]
Percentage of ownership interest	100.00%		30.00%
Payments to related parties								$ 100,000	$ 200,000	$ 200,000	$ 300,000	$ 500,000	$ 900,000
Purchase Price Of The Manufacturing Facility Of An Entity		1,100,000
Related Party Transaction, Revenues from Transactions with Related Party				100,000	100,000	100,000
Monthly Business Expense Allowance							12,500
Cash Bonus Related to Tokyo Gas Transaction							1,100,000
Stock Granted, Value, Share-based Compensation, Gross							1,100,000
Unvested Equity Awards														242,724	304,407
Legal Fee Reimbursement Allowance							40,000
Monthly Consulting Fee							45,000
Maximum Bonus Eligibility							$ 2,500,000