Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash (Details)

v2.4.0.8
Restricted Cash (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Restricted Cash and Cash Equivalents Items [Line Items]    
Non-current restricted cash $ 5,055 $ 5,055
Money market account [Member]
    
Restricted Cash and Cash Equivalents Items [Line Items]    
Non-current restricted cash 4,955 [1] 4,955 [1]
Certificate of deposit [Member]
    
Restricted Cash and Cash Equivalents Items [Line Items]    
Non-current restricted cash $ 100 [2] $ 100 [2]
[1] The bonding requirements for reclamation obligations on various properties have been agreed to by the Wyoming Department of Environmental Quality, the BLM and the NRC. The restricted money market accounts are pledged as collateral against performance surety bonds which are used to secure the potential costs of reclamation related to those properties. Surety bonds providing $26.7 million of coverage towards specific reclamation obligations are collateralized by $5.0 million of the restricted cash at June 30, 2014.
[2] A certificate of deposit ($0.1 million) provides security for the Company’s credit cards.