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Note 15 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]

Contractual Obligations for the year ending December 31,		Contractual Lease Obligations				Purchase Obligations				Total Obligations
201 8		$	1,989,000			$	34,405,000			$	36,394,000
201 9			1,569,000				12,121,000				13,690,000
20 20			1,119,000				553,000				1,672,000
202 1			455,000				31,000				486,000
202 2			348,000				28,000				376,000
Thereafter			1,857,000				227,000				2,084,000
		$	7,337,000			$	47,365,000			$	54,702,000

X

- Definition

Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 303
-Paragraph a
-Subparagraph 5

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X

- References

No definition available.

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