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Note 10 - Stock Options and Warrants (Details) - Stock Warrant Activity (USD $)
 1 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Nov. 20, 2014
Oct. 20, 2014
Successor [Member]        
Note 10 - Stock Options and Warrants (Details) - Stock Warrant Activity [Line Items]        
Outstanding at December 31 (in Shares) 52,632us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember		 [1]      
Outstanding at December 31 $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember		 [1]      
Exercisable End of Year (in Shares) 52,632amar_ShareBasedCompensationAwardsOtherThanOptionsExercisableEndOfYear
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember		      
Exercisable End of Year $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsExercisablePriceRange1
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember		      
Outstanding at December 31 (in Shares) 52,632us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember		 [1]      
Outstanding at December 31 $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember		 [1]      
Predecessor [Member] | Minimum [Member]        
Note 10 - Stock Options and Warrants (Details) - Stock Warrant Activity [Line Items]        
Outstanding at December 31   $ 0.3838amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Exercisable End of Year   $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsExercisablePriceRange1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		    
Cancelled/Expired   $ 0.3838amar_ShareBasedCompensationAwardsOtherThanOptionsCancelledExpiredInPeriodPriceRange
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		    
Outstanding at December 31   $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Predecessor [Member] | Maximum [Member]        
Note 10 - Stock Options and Warrants (Details) - Stock Warrant Activity [Line Items]        
Outstanding at December 31   $ 1.90amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   $ 0.76amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Exercisable End of Year   $ 0.76amar_ShareBasedCompensationAwardsOtherThanOptionsExercisablePriceRange1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		    
Outstanding at December 31   $ 0.76amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   $ 0.76amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Predecessor [Member]        
Note 10 - Stock Options and Warrants (Details) - Stock Warrant Activity [Line Items]        
Outstanding at December 31 (in Shares)     120,395us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [1]  
Outstanding at December 31   $ 349,596amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [1]    
Exercisable End of Year (in Shares)     52,632amar_ShareBasedCompensationAwardsOtherThanOptionsExercisableEndOfYear
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		  
Exercisable End of Year   $ 120,395amar_ShareBasedCompensationAwardsOtherThanOptionsExercisablePriceRange1
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsExercisablePriceRange1
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		  
Cancelled/Expired (in Shares)     (67,763)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		  
Cancelled/Expired   $ (229,201)amar_ShareBasedCompensationAwardsOtherThanOptionsCancelledExpiredInPeriodPriceRange
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 $ (0.76)amar_ShareBasedCompensationAwardsOtherThanOptionsCancelledExpiredInPeriodPriceRange
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		  
Outstanding at December 31 (in Shares)     52,632us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [1]  
Outstanding at December 31   $ 120,395amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [1] $ 0.57amar_ShareBasedCompensationAwardsOtherThanOptionsOutstandingPriceRange1
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		  
[1] All warrants went through a 1/19 reverse split and is being retroactively presented.