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PREPAID EXPENSES (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets [Line Items]    
Prepaid insurance $ 103,649us-gaap_PrepaidInsurance $ 87,633us-gaap_PrepaidInsurance
Prepaid hardware and software 41,313atos_PrepaidMaintenanceAndSupportServiceFee 38,268atos_PrepaidMaintenanceAndSupportServiceFee
Retainer and security deposits 25,000us-gaap_DepositAssets 25,000us-gaap_DepositAssets
Lab supplies 6,804us-gaap_Supplies 14,976us-gaap_Supplies
Tradeshow and other marketing events 5,995us-gaap_PrepaidAdvertising 50,000us-gaap_PrepaidAdvertising
Other 81,002us-gaap_OtherPrepaidExpenseCurrent 31,330us-gaap_OtherPrepaidExpenseCurrent
Total prepaid expenses $ 263,763us-gaap_PrepaidExpenseCurrent $ 247,207us-gaap_PrepaidExpenseCurrent