XML 39 R21.htm IDEA: XBRL DOCUMENT
v3.7.0.1

SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Accounting Policies [Abstract] |
Schedule of Annual Rates of Depreciation | Annual rates of depreciation are as follows:
|  | %
Computers and electronic equipment |  | 15 - 33
Office furniture and equipment |  | 6 - 33
Leasehold improvements |  | At the shorter of the lease period or useful life of the leasehold improvement
Assumptions Used in Estimation of Fair Value of Stock-based Compensation Awards | The fair value for options granted in 2016, 2015 and 2014 is estimated at the date of grant with the following weighted average assumptions:
|  | 2016 |  | 2015 |  | 2014
Dividend yield |  | 0% |  | 0% |  | 0%
Expected volatility |  | 50.7%-59.4% |  | 51.4%-62% |  | 70%-74%
Risk-free interest |  | 0.8%-1.4% |  | 0.6%-1.7% |  | 0.6%-0.8%
Expected life (in years) |  | 2.79-4.99 |  | 2.39-4.58 |  | 2.81

X
- Definition Tabular disclosure of the depreciation rates of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
Name: | rdcm_PropertyPlantAndEquipmentScheduleOfDepreciationRatesOfAssetsByMajorClassificationTableTextBlock
Namespace Prefix: | rdcm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration