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Note 10 - Reserves (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Summary of Valuation Allowance [Table Text Block]

Description		Balance at Beginning of Year				Increase				Decrease				Balance at End of Year
(in thousands)
Allowance for Doubtful Accounts
2015		$	194			$	125			$	-			$	319
2014		$	163			$	31			$	-			$	194

X

- Definition

Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Valuation Allowance
-URI http://asc.fasb.org/extlink&oid=6528051

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

+ Details

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Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration