Other accrued liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accrued Liabilities, Current [Abstract]
Accrued profesisonal services	$ 8us-gaap_AccruedProfessionalFeesCurrent	$ 8us-gaap_AccruedProfessionalFeesCurrent
Rents	44us-gaap_AccruedRentCurrent	35us-gaap_AccruedRentCurrent
Management fees	280	180
Other	6us-gaap_OtherAccruedLiabilitiesCurrent	9us-gaap_OtherAccruedLiabilitiesCurrent
Total	$ 338us-gaap_AccruedLiabilitiesCurrent	$ 232us-gaap_AccruedLiabilitiesCurrent

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).

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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).

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- Definition

Amounts due to recorded owners or owners with a beneficial interest of more than 10 percent of the voting interests or officers of the company. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- 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).

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