Prepaid Expenses, Other Current Assets and Accrued Expenses (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Summary of accrued liabilities
Advertising and promotional expense payable	$ 171us-gaap_AccruedAdvertisingCurrent	$ 171us-gaap_AccruedAdvertisingCurrent
Audit fees payable	25us-gaap_AccruedProfessionalFeesCurrent	35us-gaap_AccruedProfessionalFeesCurrent
Rent payable	30us-gaap_AccruedRentCurrent	30us-gaap_AccruedRentCurrent
Research & development	49atth_AccruedResearchAndDevelopment
Accrued salaries & bonuses	92us-gaap_AccruedBonusesCurrent
Consulting fees payable	96atth_AccruedConsultingFeesPayable	65atth_AccruedConsultingFeesPayable
Other accrued expenses	32us-gaap_OtherAccruedLiabilitiesCurrent	11us-gaap_OtherAccruedLiabilitiesCurrent
Total accrued expenses	$ 495us-gaap_AccruedLiabilitiesCurrent	$ 312us-gaap_AccruedLiabilitiesCurrent

Carrying value as of the balance sheet date of obligations incurred through that date and payable for advertising of the entity's goods and services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details