Quarterly report pursuant to Section 13 or 15(d)

Capital lease obligations (Details Narrative)

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Capital lease obligations (Details Narrative) (USD $)
3 Months Ended
Mar. 31, 2015
Capital lease obligations (Textual)  
Capital lease combined monthly installments payable to Systems Trading, Inc. $ 21,826dtst_CapitalLeaseCombinedPeriodicInstallmentsPayable
Interest rates on capitalized leases, minimum 7.22%dtst_InterestRatesOnCapitalizedLeases