Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Schedule Of Finite-Lived Intangible Assets) (Details)

v2.4.1.9
Intangible Assets (Schedule Of Finite-Lived Intangible Assets) (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 811,000us-gaap_FiniteLivedIntangibleAssetsGross $ 811,000us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated Amortization (354,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization (346,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Foreign Currency Translation (75,000)jcs_FiniteLivedIntangibleAssetsForeignCurrencyTranslation (41,000)jcs_FiniteLivedIntangibleAssetsForeignCurrencyTranslation
Net 382,000us-gaap_FiniteLivedIntangibleAssetsNet 424,000us-gaap_FiniteLivedIntangibleAssetsNet
Trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 91,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
91,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
Accumulated Amortization (39,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
(38,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
Foreign Currency Translation (8,000)jcs_FiniteLivedIntangibleAssetsForeignCurrencyTranslation
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
(4,000)jcs_FiniteLivedIntangibleAssetsForeignCurrencyTranslation
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
Net 44,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
49,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 491,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
491,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Accumulated Amortization (163,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
(159,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Foreign Currency Translation (46,000)jcs_FiniteLivedIntangibleAssetsForeignCurrencyTranslation
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
(26,000)jcs_FiniteLivedIntangibleAssetsForeignCurrencyTranslation
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Net 282,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
306,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 229,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_UnpatentedTechnologyMember
229,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_UnpatentedTechnologyMember
Accumulated Amortization (152,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_UnpatentedTechnologyMember
(149,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_UnpatentedTechnologyMember
Foreign Currency Translation (21,000)jcs_FiniteLivedIntangibleAssetsForeignCurrencyTranslation
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_UnpatentedTechnologyMember
(11,000)jcs_FiniteLivedIntangibleAssetsForeignCurrencyTranslation
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_UnpatentedTechnologyMember
Net $ 56,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_UnpatentedTechnologyMember
$ 69,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_UnpatentedTechnologyMember