XML 40 R21.htm IDEA: XBRL DOCUMENT v2.4.1.9
2. Prepaid Expenses (Details Narrative) (USD $)
 6 Months Ended
Oct. 31, 2014
Apr. 30, 2014
Stock issued for services, shares issued 1,000,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices  
Prepaid inventory $ 400,674us-gaap_PrepaidExpenseCurrent $ 0us-gaap_PrepaidExpenseCurrent
Inventories [Member]    
Prepaid inventory 69,500us-gaap_PrepaidExpenseCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_InventoriesMember		  
General and Administrative Expense [Member]    
Share based compensation 259,927us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember		  
Prepaid Expenses and Other Current Assets [Member]    
Share based compensation 232,810us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember		  
Consultants [Member]    
Stock issued for services, shares issued 7,677,366us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_TitleOfIndividualAxis
= SELT_ConsultantsMember		  
Share based compensation $ 492,736us-gaap_ShareBasedCompensation
/ us-gaap_TitleOfIndividualAxis
= SELT_ConsultantsMember