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Shareholders' Equity (Details) (USD $) | 0 Months Ended | 1 Months Ended | 3 Months Ended |  |  | 0 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 29, 2010 | Mar. 22, 2013 Rate | Mar. 31, 2013 | Dec. 19, 2012 | Jun. 30, 2012 | Nov. 29, 2010 Contango [Member] | Mar. 26, 2012 Private Placement [Member] | Mar. 22, 2013 Private Placement [Member] | Mar. 26, 2012 Private Placement [Member] Board of Directors Chairman [Member] | Mar. 22, 2013 Private Placement [Member] Board of Directors Chairman [Member] | Mar. 22, 2013 Private Placement [Member] Juneau Exploration LLC [Member]
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  | 30,000,000 |  | 30,000,000 |  |  |  |  |  |
Preferred stock, shares authorized |  |  | 15,000,000 |  |  |  |  |  |  |  |
Common stock, shares outstanding |  |  | 3,750,394 |  | 2,480,269 |  |  |  |  |  |
Restricted stock and stock options, outstanding (in shares) |  |  | 1,654,477 |  |  |  |  |  |  |  |
Common Stock, Shares, Issued |  |  | 3,750,394 |  | 2,480,269 |  |  |  |  |  |
Distribution [Abstract] |  |  |  |  |  |  |  |  |  |  |
Subsidiary shares issued | 1,600,000 |  |  |  |  |  |  |  |  |  |
Share received for 10 shares owned of Contango |  |  |  |  |  | 10.0 |  |  |  |  |
Parent contribution |  |  |  |  |  | $ 3,500,000 |  |  |  |  |
Private Placement [Abstract] |  |  |  |  |  |  |  |  |  |  |
Shares sold in private placement |  |  |  |  |  |  | 882,500 | 1,230,999 | 400,000 | 83,333 | 83,334
Private placement, per share price |  |  |  |  |  |  | $ 10.00 | $ 12.00 |  |  |
Proceeds from private placement |  |  |  |  |  |  | 8,800,000 | 14,100,000 |  |  |
Placement fees |  |  |  |  |  |  | 400,000 |  |  |  |
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs |  |  | $ (738,085) |  |  |  |  |  |  |  |
Class of Warrant or Right, Outstanding |  | 1,230,999 |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Risk Free Interest Rate |  | 0.00% |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Expected Term |  | 2 years 9 months 18 days |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Expected Volatility Rate |  | 8234.00% |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Expected Dividend Payments |  | $ 0 |  |  |  |  |  |  |  |  |
Common stock, par value |  |  | $ 0.01 |  | $ 0.01 |  |  |  |  |  |
Percentage of Preferred Stock Holder Can Under the Rights Plan |  |  |  | 0.01 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | 0 |  | 80 |  |  |  |  |  |  |
Rate of Rights Distribution |  |  |  | 100.00% |  |  |  |  |  |  |

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