Annual report pursuant to Section 13 and 15(d)

WARRANT LIABILITIES (Details 2)

v2.4.1.9
WARRANT LIABILITIES (Details 2) (USD $)
 6 Months Ended 12 Months Ended
Jun. 16, 2013
Dec. 31, 2013
Dec. 31, 2014
Jun. 03, 2014
Jun. 17, 2013
Dec. 31, 2012
Warrant liabilities            
Cash paid for warrants   $ 1,000us-gaap_ProceedsFromIssuanceOfWarrants $ 1,000us-gaap_ProceedsFromIssuanceOfWarrants      
Roll forward of warrant activity            
Balance at the beginning of the period 680,984us-gaap_ClassOfWarrantOrRightOutstanding   680,984us-gaap_ClassOfWarrantOrRightOutstanding      
Warrants Issued     358,500resn_ClassOfWarrantOrRightWarrantsIssued      
Balance at the end of the period   680,984us-gaap_ClassOfWarrantOrRightOutstanding 1,039,484us-gaap_ClassOfWarrantOrRightOutstanding      
Share price (in dollars per share)   $ 5.54us-gaap_SharePrice   $ 6.00us-gaap_SharePrice    
Fair value of the warrant liabilities   3,276,084us-gaap_WarrantsAndRightsOutstanding        
Loss on change in the fair value of the warrants $ 0us-gaap_FairValueAdjustmentOfWarrants $ 1,500,000us-gaap_FairValueAdjustmentOfWarrants $ 382,327us-gaap_FairValueAdjustmentOfWarrants      
Trading days per year     252 days      
Number of weeks     364 days      
Trading days per week     5 days      
Holidays     8 days      
Bridge warrants            
Roll forward of warrant activity            
Balance at the beginning of the period           249,999us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_BridgeWarrantsMember
Balance at the end of the period   249,999us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_BridgeWarrantsMember 		249,999us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_BridgeWarrantsMember 		    249,999us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_BridgeWarrantsMember
Share price (in dollars per share)         $ 3.23us-gaap_SharePrice
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_BridgeWarrantsMember 		 
Bridge warrants | Founders            
Warrant liabilities            
Warrants to purchase shares of common stock or units (in units/shares)         249,999us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_BridgeWarrantsMember
/ us-gaap_TitleOfIndividualAxis
= resn_FoundersMember 		 
Roll forward of warrant activity            
Exercise price (in dollars per unit/share)         $ 0.20us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_BridgeWarrantsMember
/ us-gaap_TitleOfIndividualAxis
= resn_FoundersMember 		 
Consulting warrant            
Roll forward of warrant activity            
Balance at the beginning of the period           222,222us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_ConsultingWarrantMember
Balance at the end of the period   222,222us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_ConsultingWarrantMember 		222,222us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_ConsultingWarrantMember 		    222,222us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_ConsultingWarrantMember
Financing Warrant            
Roll forward of warrant activity            
Balance at the beginning of the period           208,763us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_FinancingWarrantMember 		[1]
Balance at the end of the period   208,763us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_FinancingWarrantMember 		[1] 208,763us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_FinancingWarrantMember 		[1]     208,763us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_FinancingWarrantMember 		[1]
Exercise price (in dollars per unit/share)     $ 3.35us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_FinancingWarrantMember 		     
Underwriting Warrant            
Roll forward of warrant activity            
Warrants Issued     310,500resn_ClassOfWarrantOrRightWarrantsIssued
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_UnderwritingWarrantMember 		     
Balance at the end of the period     310,500us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_UnderwritingWarrantMember 		     
IR consulting warrants            
Roll forward of warrant activity            
Warrants Issued     48,000resn_ClassOfWarrantOrRightWarrantsIssued
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_InvestorRelationsConsultingWarrantsMember 		     
Balance at the end of the period     48,000us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_InvestorRelationsConsultingWarrantsMember 		     
IPO | Financing Warrant            
Roll forward of warrant activity            
Share price (in dollars per share)     $ 5.59us-gaap_SharePrice
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_FinancingWarrantMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember 		$ 6.00us-gaap_SharePrice
/ us-gaap_ClassOfWarrantOrRightAxis
= resn_FinancingWarrantMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember 		   
[1] The number of shares of common stock underlying the Financing Warrant was determined using an exercise price of $3.35 per share, assuming the IPO price of our common stock in a Qualified IPO would be at least $5.59 per share. Upon completion of the IPO with a price of $6.00 per share, the number of shares was considered unchanged and final.