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Note 8. Deposit for Clean Room (Details) (Class 5 Clean Room [Member], USD $)
3 Months Ended
Mar. 31, 2015
Class 5 Clean Room [Member]
 
Note 8. Deposit for Clean Room (Details) [Line Items]  
Property, Plant and Equipment, Dispositions agreement to acquire an approximately 1,300 square foot Class 5 clean room
Noncash or Part Noncash Acquisition, Value of Assets Acquired $ 2,500,000us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= gtso_Class5CleanRoomMember
Property, Plant, and Equipment, Additional Disclosures $250,000 to be paid in cash installments
Other Significant Noncash Transaction, Value of Consideration Given 2,250,000us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationGiven1
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= gtso_Class5CleanRoomMember
Stock Issued During Period, Shares, Acquisitions (in Shares) 3,000,000us-gaap_StockIssuedDuringPeriodSharesAcquisitions
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= gtso_Class5CleanRoomMember
Payments to Acquire Machinery and Equipment 50,000us-gaap_PaymentsToAcquireMachineryAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= gtso_Class5CleanRoomMember
Stock Issued During Period, Value, Acquisitions $ 5,400,000us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= gtso_Class5CleanRoomMember
Property, Plant and Equipment, Interest Issued or Issuable, Basis for Determining Value The 3,000,000 shares of common stock issued for the purchase of the clean room will be exchanged in three tranches of 1,000,000 shares each for a number of shares with a total value based on the 20-day volume weighted average price (as defined in the agreement) of $750,000 for each tranche. The exchange dates are (1) the later of 60 days following the closing or the date the registration statements is declared effective, (2) the end of the sixth months following the closing date, and (3) the end of the eighth month following the closing date.