Purchase Consideration of Assets Acquired (Detail)	1 Months Ended
	Mar. 31, 2011 USD ($)
Business Acquisition [Line Items]
Issuance of 35,000,000 shares of common stock with an estimated fair value of $0.89 per share (closing sales price on March 15, 2011)	$ 31,150,000
Cash consideration	700,000
Assumption of NJB Mining mortgage	2,500,000
Assumption of accrued interest and other liabilities	463,184
Shea Mining and Milling Assets	35,159,427
Other Expense
Business Acquisition [Line Items]
Direct expenses incurred in connection with the Shea Exchange Agreement	140,985
Professional Fees
Business Acquisition [Line Items]
Direct expenses incurred in connection with the Shea Exchange Agreement	$ 205,258