Annual report pursuant to Section 13 and 15(d)

Note 5 - Goodwill and Other Intangible Assets (Details) - Other Intangible Assets

v2.4.1.9
Note 5 - Goodwill and Other Intangible Assets (Details) - Other Intangible Assets (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 5,312us-gaap_FiniteLivedIntangibleAssetsGross $ 5,318us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated Amortization (2,877)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization (2,338)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Net Carrying Amount 2,435us-gaap_IntangibleAssetsNetExcludingGoodwill 2,980us-gaap_IntangibleAssetsNetExcludingGoodwill
Patents [Member] | Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful Lives (Years) 8 years  
Patents [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful Lives (Years) 18 years  
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 512us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
514us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Accumulated Amortization (168)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
(155)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Net Carrying Amount 344us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
359us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Computer Software, Intangible Asset [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful Lives (Years) 3 years  
Gross Carrying Amount 375us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
379us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
Accumulated Amortization (319)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
(258)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
Net Carrying Amount 56us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
121us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
Noncompete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful Lives (Years) 1 year 73 days  
Gross Carrying Amount 265us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
265us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
Accumulated Amortization (265)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
(174)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
Net Carrying Amount   91us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
Customer Contracts [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful Lives (Years) 6 months  
Gross Carrying Amount 790us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerContractsMember
790us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerContractsMember
Accumulated Amortization (790)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerContractsMember
(790)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerContractsMember
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful Lives (Years) 12 years  
Gross Carrying Amount 3,370us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
3,370us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Accumulated Amortization (1,335)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
(961)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Net Carrying Amount $ 2,035us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
$ 2,409us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember