THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual)	12 Months Ended
Dec. 31, 2018
Minimum [Member]
Related Party Transactions, Ownership Percentage	5.00%

The percentage of ownership to be held in the entity to treat as related party.

No definition available.

Name:	rdga_RelatedPartyTransactionsOwnershipPercentage
Namespace Prefix:	rdga_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration