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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Accounting Policies [Line Items]          
Percentage Of Reserves For Customers     100.00%smdm_PercentageOfReservesForCustomers    
Cash, FDIC Insured Amount $ 0us-gaap_CashFDICInsuredAmount   $ 0us-gaap_CashFDICInsuredAmount   $ 964,282us-gaap_CashFDICInsuredAmount
Concentration Risk Credit Risk Cash Balance in Foreign Financial Institutions 298,617smdm_ConcentrationRiskCreditRiskCashBalanceInForeignFinancialInstitutions   298,617smdm_ConcentrationRiskCreditRiskCashBalanceInForeignFinancialInstitutions   277,859smdm_ConcentrationRiskCreditRiskCashBalanceInForeignFinancialInstitutions
Stock or Unit Option Plan Expense 2,205us-gaap_StockOptionPlanExpense 52,678us-gaap_StockOptionPlanExpense 36,807us-gaap_StockOptionPlanExpense 67,454us-gaap_StockOptionPlanExpense  
Advertising Expense 521,511us-gaap_AdvertisingExpense 656,963us-gaap_AdvertisingExpense 1,542,257us-gaap_AdvertisingExpense 1,383,897us-gaap_AdvertisingExpense  
Research and Development Expense 38,290us-gaap_ResearchAndDevelopmentExpense 110,949us-gaap_ResearchAndDevelopmentExpense 111,803us-gaap_ResearchAndDevelopmentExpense 167,951us-gaap_ResearchAndDevelopmentExpense  
Weighted Average Number Diluted Shares Outstanding Adjustment 528,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 580,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 499,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 580,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment  
United States Bank [Member]          
Accounting Policies [Line Items]          
Cash, FDIC Insured Amount $ 250,000us-gaap_CashFDICInsuredAmount
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= smdm_UnitedStatesBankMember
  $ 250,000us-gaap_CashFDICInsuredAmount
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= smdm_UnitedStatesBankMember
   
Maximum [Member]          
Accounting Policies [Line Items]          
Percentage Of Cooperative Advertising Allowance 9.00%smdm_PercentageOfCooperativeAdvertisingAllowance
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
  9.00%smdm_PercentageOfCooperativeAdvertisingAllowance
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Minimum [Member]          
Accounting Policies [Line Items]          
Percentage Of Cooperative Advertising Allowance 2.00%smdm_PercentageOfCooperativeAdvertisingAllowance
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
  2.00%smdm_PercentageOfCooperativeAdvertisingAllowance
/ us-gaap_RangeAxis
= us-gaap_MinimumMember