Long-Term Debt	6 Months Ended
Jun. 30, 2019
Debt Disclosure [Abstract]
Long-term debt	Note 8 – Long-term debt: During the first six months of 2019, 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, 2019, we had outstanding borrowings of $.5 million under such facility, and the remaining $49.5 million was available for future borrowing under this facility. Outstanding borrowings under such credit facility bear interest at the prime rate plus 1.875% per annum, and the average interest rate for the six months ended June 30, 2019 was 7.3%. The interest rate was 7.4% at June 30, 2019. We are in compliance with all of the covenants contained in such facility at June 30, 2019.

Long-Term Debt

6 Months Ended

Jun. 30, 2019

Note 8 – Long-term debt:

During the first six months of 2019, 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, 2019, we had outstanding borrowings of $.5 million under such facility, and the remaining $49.5 million was available for future borrowing under this facility. Outstanding borrowings under such credit facility bear interest at the prime rate plus 1.875% per annum, and the average interest rate for the six months ended June 30, 2019 was 7.3%. The interest rate was 7.4% at June 30, 2019. We are in compliance with all of the covenants contained in such facility at June 30, 2019.