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Credit Agreement	3 Months Ended
	Mar. 31, 2021
Credit Agreement [Abstract]
Credit Agreement	NOTE F – Credit Agreement On May 15, 2020 we entered into the Third Amendment to Amended and Restated Credit Agreement (as amended, the “Credit Agreement”) with a bank. Our first borrowings under the facility, since its origination in 2008, were in March 2020. The Credit Agreement is a $60.0 million revolving credit facility secured by our inventory, accounts receivable, cash, and certain other personal property, and matures on September 27, 2024. Availability fluctuates based on a borrowing base calculation reduced by outstanding letters of credit. Amounts available to borrow are based on the lesser of the borrowing base or the $60.0 million-line amount. The credit facility contains covenants that, among other things, limit our ability to incur certain types of debt or liens, enter into mergers and consolidations or use proceeds of borrowing for other than permitted uses. The covenants also limit our ability to pay dividends if unused availability is less than $12.5 million. We borrowed $43.8 million under the Credit Agreement in March 2020 and repaid the borrowings in June 2020. The interest rates on the outstanding balance were based on the three-month Euro dollar LIBOR rate plus 1.25% and on a weighted average basis was approximately 2.37% at March 31, 2020. The borrowing base was $15.5 million at March 31, 2021, there were no outstanding letters of credit, and the net availability was $15.5 million.

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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

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