Long-Term Debt	6 Months Ended
Jun. 30, 2021
Debt Disclosure [Abstract]
Long-term debt	Note 8 – Long-term debt: During the first six months of 2021, our wholly-owned subsidiary, NLKW Holding, LLC had no borrowings or repayments under its $50 million secured revolving credit facility with Valhi. At June 30, 2021, $.5 million was outstanding and $49.5 million was available for future borrowing under this facility. Outstanding borrowings bear interest at the prime rate plus 1.875% per annum, and the average interest rate for the six months ended June 30, 2021 was 5.13%. The interest rate under this facility as of June 30, 2021 was 5.13%. We are in compliance with all covenants at June 30, 2021.

Long-Term Debt

6 Months Ended

Jun. 30, 2021

Note 8 – Long-term debt:

During the first six months of 2021, our wholly-owned subsidiary, NLKW Holding, LLC had no borrowings or repayments under its $50 million secured revolving credit facility with Valhi. At June 30, 2021, $.5 million was outstanding and $49.5 million was available for future borrowing under this facility. Outstanding borrowings bear interest at the prime rate plus 1.875% per annum, and the average interest rate for the six months ended June 30, 2021 was 5.13%. The interest rate under this facility as of June 30, 2021 was 5.13%. We are in compliance with all covenants at June 30, 2021.