Buffalo Liability (Details)	0 Months Ended	3 Months Ended
	Apr. 15, 2013	Jun. 30, 2013
Buffalo Management Llc
Buffalo Liability
Percentage of gross revenue interest		1.00%
First Extension Agreement | Karlsson Group
Buffalo Liability
Percentage of gross revenue interest	1.00%	2.00%
First Extension Agreement | Buffalo Management Llc
Buffalo Liability
Percentage of gross revenue interest	2.00%	1.00%
First Extension Agreement | Buffalo Management Llc | Maximum
Buffalo Liability
Percentage of outstanding capital stock issuable	10.00%
Percentage of equity market capitalization redeemable as consideration	10.00%