Note 11 - Self-Insurance

3 Months Ended

Mar. 31, 2022

Notes to Financial Statements

Self Insurance [Text Block]

(11) SELF-INSURANCE

We self-insure our underground mining equipment. Such equipment is allocated among seven mining units dispersed over ten miles. The historical cost of such equipment was approximately $262 million and $260 million as of March 31, 2022, and December 31, 2021, respectively.

Restricted cash of $3.3 million as of March 31, 2022, and December 31, 2021, represents cash held and controlled by a third party and is restricted for future workers’ compensation claim payments.