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RELATED PARTY BALANCES AND TRANSACTIONS (Narrative) (Details) In Thousands, unless otherwise specified | 1 Months Ended | 12 Months Ended | 0 Months Ended |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Apr. 24, 2013 USD ($) | Nov. 30, 2012 USD ($) | Nov. 30, 2012 ILS | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2014 Transactions With Related Parties [Member] USD ($) | Dec. 31, 2013 Transactions With Related Parties [Member] USD ($) | Dec. 31, 2012 Transactions With Related Parties [Member] USD ($) | Apr. 23, 2013 Principal shareholder [Member] USD ($) | Dec. 31, 2014 Principal shareholder [Member] | Jun. 30, 2013 Chairman of the Company's Board of Directors [Member] USD ($) | Jun. 30, 2013 President and Chief Executive Officer [Member] USD ($) | Dec. 31, 2014 Consultant [Member] USD ($) | Dec. 31, 2013 Consultant [Member] USD ($) | Dec. 31, 2012 Consultant [Member] USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint Ownership Percentage of Principal Shareholders Which Are Principal Shareholder of Affiliates |  |  |  |  |  |  |  |  |  |  | 38.00%rdcm_JointOwnershipPercentageOfPrincipalShareholdersWhichArePrincipalShareholderOfAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_PrincipalOwnerMember |  |  |  |  |
Aggregate net amounts of lease payments |  |  |  | $ 417 us-gaap_RelatedPartyTransactionAmountsOfTransaction | $ 410 us-gaap_RelatedPartyTransactionAmountsOfTransaction | $ 438 us-gaap_RelatedPartyTransactionAmountsOfTransaction |  |  |  |  |  |  |  |  |  |
Related Party Transaction, Expenses from Transactions with Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  | 39 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = rdcm_ConsultantMember | 43 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = rdcm_ConsultantMember | 37 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = rdcm_ConsultantMember
Loan proceeds from related party |  | 750 us-gaap_ProceedsFromRelatedPartyDebt | 2,900 us-gaap_ProceedsFromRelatedPartyDebt |  |  | 750 us-gaap_ProceedsFromRelatedPartyDebt |  |  |  |  |  |  |  |  |  |
Increased in average Israeli Consumer Price Index |  |  |  |  | 1.80%rdcm_IncreasedDecreaseInAverageConsumerPriceIndex | 1.60%rdcm_IncreasedDecreaseInAverageConsumerPriceIndex |  |  |  |  |  |  |  |  |  |
Financial expenses (income) |  |  |  | (332)us-gaap_NonoperatingIncomeExpense | (291)us-gaap_NonoperatingIncomeExpense | (314)us-gaap_NonoperatingIncomeExpense |  | 27 us-gaap_NonoperatingIncomeExpense / us-gaap_RelatedPartyTransactionAxis = rdcm_TransactionsWithRelatedPartiesMember | 23 us-gaap_NonoperatingIncomeExpense / us-gaap_RelatedPartyTransactionAxis = rdcm_TransactionsWithRelatedPartiesMember |  |  |  |  |  |  |
Aggregate purchase price | 3,459 us-gaap_StockIssuedDuringPeriodValueNewIssues |  |  |  |  |  |  |  |  | 3,459 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_PrincipalOwnerMember |  | 1,100 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember | 50 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = rdcm_PresidentAndChiefExecutiveOfficerMember |  |  |
Aggregate net lease payments |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 39 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = rdcm_ConsultantMember | $ 43 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = rdcm_ConsultantMember | $ 37 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = rdcm_ConsultantMember

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- Definition The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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