Contract Extention Period

No definition available.

Name:	rbcl_ContractExtentionPeriod
Namespace Prefix:	rbcl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Deferred Compensation Arrangement with Individual, Eligibility Age Requirement

+ References

No definition available.

+ Details

Name:	rbcl_DeferredCompensationArrangementWithIndividualEligibilityAgeRequirement
Namespace Prefix:	rbcl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Employment Agreements

+ References

No definition available.

+ Details

Name:	rbcl_NumberOfEmploymentAgreements
Namespace Prefix:	rbcl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Supplemental Unemployment Benefits, Salary Continuation, Duration

+ References

No definition available.

+ Details

Name:	rbcl_SupplementalUnemploymentBenefitsSalaryContinuationDuration
Namespace Prefix:	rbcl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Supplemental Unemployment Benefits, Salary Continuation, Percent of Annual Base Salary

+ References

No definition available.

+ Details

Name:	rbcl_SupplementalUnemploymentBenefitsSalaryContinuationPercentOfAnnualBaseSalary
Namespace Prefix:	rbcl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum period that the individual is required to perform services in order to be fully vested under the deferred compensation arrangement.

+ 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 (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64, 65, A240

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Commitments and Contingencies-Employee Arrangements (Details) (USD $)	12 Months Ended						1 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Chief executive officer [Member]	Dec. 31, 2012 President [Member]	Dec. 31, 2012 Chief financial officer [Member]	Dec. 31, 2011 Key executives [Member] agreement	Dec. 31, 2012 Key executives [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Additional term duration				1 year	1 year	1 year
Salary continuation, percent of annual base salary				50.00%	50.00%	50.00%		50.00%
Salary continuation duration				3 years
Number of employment agreements							4
Eligibility age requirement	18 years
Requisite service period	P3M
Employer matching contribution, percent	10.00%
Cost recognized	$ 12,000	$ 14,000	$ 18,000