Annual report pursuant to Section 13 and 15(d)

Litigation (Details Textual)

v2.4.1.9
Litigation (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Litigation    
Unpaid Wages $ 67,392dtst_UnpaidWages  
Conversion Price for Series A Preferred Stock $ 0.02dtst_ConversionOfStockSharesIssuedPricePerShare  
Cash dividends, percentage 10.00%dtst_CashDividendsPercentage  
Accrued dividends 417,060us-gaap_Dividends 330,811us-gaap_Dividends
Common shares issued   2,959,930us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
Common shares issued, value   2,940us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross
Common stock par value $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare
Common shares issued, price   $ 0.09us-gaap_SharesIssuedPricePerShare
Gain on issuance of stock $ 0us-gaap_ProceedsFromIssuanceOfCommonStock $ 27,596us-gaap_ProceedsFromIssuanceOfCommonStock