Note 7 - Bank Credit Facility	3 Months Ended
Feb. 29, 2020
Notes to Financial Statements
Debt Disclosure [Text Block]	7. Bank Credit Facility Bank Credit Facility Our credit facility with our bank provides for a line of credit of up to $25,000. This credit facility is unsecured and contains covenants requiring us to maintain certain key financial ratios. We are in compliance with all covenants under the agreement as of February 29, 2020. The credit facility will mature in December 2021. See Note 17, Subsequent Events, regarding a commitment received from our bank to amend the facility and increase the availability under the line. At February 29, 2020, we had $2,673 outstanding under standby letters of credit against our line, leaving availability under our credit line of $22,327. In addition, we have outstanding standby letters of credit with another bank totaling $325.

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.

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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