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LIABILITY FOR EQUITY-LINKED FINANCIAL INSTRUMENTS (Details) (USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Dec. 31, 2009
Dec. 31, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock price   $ 26.25sklnd_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsStockPrice $ 26.25sklnd_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsStockPrice  
Exercise price   $ 57.68us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice $ 34.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice  
Expected life   6 months 2 years 6 months  
Expected volatility 59.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate 54.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate 63.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate  
Assumed dividend rate 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate   0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Risk-free interest rate - Minimum 0.13%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum 0.13%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum   2.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
Risk-free interest rate - Maximum 2.97%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum 2.97%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum   4.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock price $ 4.50sklnd_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsStockPrice
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
     
Exercise price $ 0.75us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
     
Expected life 2 years     2 years 6 months
Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock price $ 37.50sklnd_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsStockPrice
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
     
Exercise price $ 24.38us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
     
Expected life 6 years 6 months     7 years 6 months