XML 53 R39.htm IDEA: XBRL DOCUMENT
v3.21.1

Inventories (Details) - Schedule of inventories - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Schedule of inventories [Abstract] |  |  |
Finished products | [1] | $ 540 | $ 1,356
[1] | Includes amounts of $399 and $1,074 as of December 31, 2020 and 2019, respectively, with respect to inventory delivered to customers for which revenue criteria have not been met yet.

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

X
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryFinishedGoods
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant