Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLAN (Details)

v2.4.1.9
EMPLOYEE BENEFIT PLAN (Details) (401(k) Savings Retirement Plan, USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
401(k) Savings Retirement Plan
   
Contributions for funding requirements   $ 12,282us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
/ us-gaap_DefinedContributionPlanNameAxis
= resn_Savings401KRetirementPlanMember
Employer's matching contribution to the plan $ 104,936us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_DefinedContributionPlanNameAxis
= resn_Savings401KRetirementPlanMember