6.

Restricted Cash

The Company’s restricted cash consists of the following:

Restricted Cash

The Company’s restricted cash consists of money market accounts and short-term government bonds.

The bonding requirements for reclamation obligations on various properties have been reviewed and approved by the Wyoming Department of Environmental Quality (“WDEQ”), the Wyoming Uranium Recovery Program (“URP”), and the Bureau of Land Management (“BLM”) as applicable.  The restricted cash is pledged as collateral against performance surety bonds, which secure the estimated costs of reclamation related to the properties. Surety bonds providing $27.6 million and $27.8 million of coverage towards reclamation obligations were collateralized by the restricted cash as of December 31, 2021, and December 31, 2020, respectively.