Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of minimum purchase commitments

Minimum commitments for these contracts as of March 31, 2014 were as follows:

Contract Effective Date	Final Target Date	Advance Deposit		Total Minimum Commitment		Remaining Deposit		Remaining Commitment, Net of Deposit
October 2011	September 2014	$	50,000	$	286,000	$	7,462	$	10,821
October 2012	September 2013	$	—	$	83,000	$	—	$	764
April 2013	September 2014	$	28,931	$	64,200	$	—	$	48,349
September 2013	September 2014	$	—	$	50,730	$	—	$	9,819
January 2014	September 2014	$	—	$	8,550	$	—	$	8,550