Note 7 - Long-Term Debt and Revolving Line of Credit - Unamortized Debt Issuance Costs (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Debt Issuance Costs, Net	$ 2,098	$ 1,249
Revolving Credit Facility [Member]
Debt Issuance Costs, Net	505	229
Delayed Draw Term Loan Due June 25 2020 [Member]
Debt Issuance Costs, Net	722	283
Term Loan Due June 25, 2020 [Member]
Debt Issuance Costs, Net	320	146
Term Loan Due December 29, 2022 [Member]
Debt Issuance Costs, Net	$ 551	$ 591

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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