Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Details 5)

v2.4.1.9
Shareholders' Equity (Details 5) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended 1 Months Ended 3 Months Ended
Jan. 03, 2015
Jul. 31, 2014
Dec. 31, 2009
Jan. 02, 2015
Oct. 21, 2009
Apr. 30, 2010
Warrants [Line Items]            
Share Price       $ 2.67us-gaap_SharePrice $ 1.97us-gaap_SharePrice  
Number of shares in the money 265arci_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsOutstandingNumberofSharesintheMoney          
GE Common Stock Warrant            
Warrants [Line Items]            
Exercise Price of warrant         $ 0.75us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember 		$ 0.73us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
Number of shares of common stock which can be purchased   0us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember 		    248us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember 		254us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
Warrants Fair Value         $ 479arci_WarrantsFairValue
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember 		 
Fair value per share         $ 1.93arci_FairValueOfCommonStock
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember 		 
Warrant exercisable period     10 years      
Number of shares in the money   0arci_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsOutstandingNumberofSharesintheMoney
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember 		       
Non Employee Member Stock Warrant            
Warrants [Line Items]            
Exercise Price of warrant 3.55us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= arci_NonEmployeeMemberMember 		         
Number of shares of common stock which can be purchased 24us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= arci_NonEmployeeMemberMember 		         
Warrant exercisable period     0 years