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Note 17 - Subsequent Event	9 Months Ended
	Sep. 30, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	17. Subsequent Event On October 24, 2017, the Company, as borrower, entered into a new five -year agreement with Bank of America, N.A., as administrative agent, swingline lender and issuer of letters of credit, for a $50.0 million senior revolving line of credit (the “Credit Agreement”). Subject to certain conditions, the Company may request up to an additional $50.0 million in commitments for a maximum aggregate commitment of $100.0 million, which requests must be approved by the Revolving Lenders (as defined in the Credit Agreement). Loans under the Credit Agreement generally bear interest equal to, at the Company’s option, either: (i) LIBOR plus the Applicable Margin, as defined below, or the (ii) Base Rate, defined as the highest of: (a) the Federal Funds Rate plus 0.50%, (b) Bank of America, N.A.’s prime rate and (c) the one month LIBOR adjusted daily plus 1.0%, plus the Applicable Margin. The Applicable Margin ranges from 0.25% to 1.75% based on the Company’s consolidated leverage ratios at the time of the borrowings under the Credit Agreement. The Company has agreed to pay a commitment fee in an amount that is equal to 0.25% per annum on the actual daily unused amount of the credit facility and that is due and payable quarterly in arrears. Loan origination costs will be amortized over the five -year term of the Credit Agreement. The Credit Agreement contains customary representations, warranties, affirmative and negative covenants, including financial covenants, events of default and indemnification provisions in favor of the Lenders (as defined in the Credit Agreement). The covenants include restrictions governing the Company’s leverage ratio and interest coverage ratio, its incurrence of liens and indebtedness, and its entry into certain merger and acquisition transactions or dispositions and other matters, all subject to certain exceptions. The financial covenants require us not to exceed certain maximum leverage and interest coverage ratios. The Lenders have been granted a first priority lien and security interest in substantially all of the Company’s assets, except for certain intangible assets.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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