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Revolving Credit Facility | 9 Months Ended
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Sep. 30, 2018
Debt Disclosure [Abstract] |
Revolving Credit Facility | Revolving Credit Facility Our revolving credit facility, which is provided by BOKF, NA dba Bank of Oklahoma, formerly known as Bank of Oklahoma, N.A. ("Bank of Oklahoma"), provides for maximum borrowings of $30.0 million. Under the line of credit, there is one standby letter of credit totaling $0.8 million. Borrowings available under the revolving credit facility at September 30, 2018 were $29.2 million. Interest on borrowings is payable monthly at LIBOR plus 2.0%. No fees are associated with the unused portion of the committed amount. We had no outstanding balance under the revolving credit facility at September 30, 2018 and December 31, 2017. The termination date of the revolving credit facility is July 26, 2021. As of September 30, 2018, we were in compliance with our financial covenants. These covenants require that we meet certain parameters related to our tangible net worth and total liabilities to tangible net worth ratio. At September 30, 2018, our tangible net worth was $249.6 million and met the requirement of being at or above $175.0 million. Our total liabilities to tangible net worth ratio was 0.26 to 1, and met the requirement of not being above 2 to 1.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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