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LONG-TERM DEBT (Details Textual) (USD $)
1 Months Ended 3 Months Ended
May 29, 2014
Mar. 31, 2015
Dec. 31, 2014
Hard Rock note [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Unamortized Discount   $ 602,667us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= sdpi_HardRockNoteMember
$ 828,667us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= sdpi_HardRockNoteMember
Business Combination, Consideration Transferred, Liabilities Incurred 12,500,000us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
/ us-gaap_LongtermDebtTypeAxis
= sdpi_HardRockNoteMember
   
Debt Instrument, Frequency of Periodic Payment   annual  
Payments to Acquire Businesses, Gross 12,500,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_LongtermDebtTypeAxis
= sdpi_HardRockNoteMember
   
Second Loan [Member] | Hard Rock note [Member] | Two Annual Principal Installments [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Maturity Date   May 30, 2016  
Founder [Member] | Meiers Owned Entities [Member]      
Debt Instrument [Line Items]      
Notes Issued $ 2,000,000us-gaap_NotesIssued1
/ dei_LegalEntityAxis
= sdpi_FounderMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sdpi_MeiersOwnedEntitiesMember