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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $)
0 Months Ended 12 Months Ended 0 Months Ended
Feb. 05, 2015
Nov. 10, 2014
Jul. 31, 2014
May 22, 2014
Mar. 31, 2015
customer
Mar. 31, 2014
customer
Mar. 31, 2013
customer
May 11, 2015
Jun. 03, 2015
Concentrations of credit risk                  
Number of major customers         2asei_NumberOfMajorCustomers 3asei_NumberOfMajorCustomers 2asei_NumberOfMajorCustomers    
Dividends [Abstract]                  
Dividends declared per share (in dollars per share) $ 0.50us-gaap_CommonStockDividendsPerShareDeclared $ 0.50us-gaap_CommonStockDividendsPerShareDeclared $ 0.50us-gaap_CommonStockDividendsPerShareDeclared $ 0.50us-gaap_CommonStockDividendsPerShareDeclared $ 2.00us-gaap_CommonStockDividendsPerShareDeclared $ 2.00us-gaap_CommonStockDividendsPerShareDeclared $ 2.00us-gaap_CommonStockDividendsPerShareDeclared    
Subsequent Event                  
Dividends [Abstract]                  
Dividends declared per share (in dollars per share)               $ 0.50us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Subsequent Event | Forecast                  
Dividends [Abstract]                  
Dividends paid (in dollars per share)                 $ 0.50us-gaap_CommonStockDividendsPerShareCashPaid
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Accounts receivable | Credit risk | International customer                  
Concentrations of credit risk                  
Number of major customers         3asei_NumberOfMajorCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= asei_InternationalMember
       
Percentage of concentration risk         51.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= asei_InternationalMember