Employee pension	12 Months Ended
Dec. 31, 2014
Employee pension [Abstract]
Employee pension	Note 9 - Employee pension Regulations in the PRC require the Company to contribute to a defined contribution retirement plan for all permanent employees. The PRC government is responsible for the pension liability to these retired employees. The Company is required to make monthly contributions to the state retirement plan at 20% of the base requirement for all permanent employees. Different geographic locations have different base requirements. The Company's subsidiary incorporated in Hong Kong manages a defined contribution Mandatory Provident Fund (the “MPF Scheme”) under the Mandatory Provident Fund Schemes Ordinance, for all of its employees in Hong Kong. The Company is required to contribute 5% of the monthly salaries for all Hong Kong based employees to the MPF Scheme (subject to a cap). Total pension expense incurred by the Company was $73, $135 and $74 for the years ended December 31, 2014, 2013 and 2012, respectively.

Employee pension

12 Months Ended

Dec. 31, 2014

Note 9 - Employee pension

Regulations in the PRC require the Company to contribute to a defined contribution retirement plan for all permanent employees. The PRC government is responsible for the pension liability to these retired employees. The Company is required to make monthly contributions to the state retirement plan at 20% of the base requirement for all permanent employees. Different geographic locations have different base requirements.

The Company's subsidiary incorporated in Hong Kong manages a defined contribution Mandatory Provident Fund (the “MPF Scheme”) under the Mandatory Provident Fund Schemes Ordinance, for all of its employees in Hong Kong. The Company is required to contribute 5% of the monthly salaries for all Hong Kong based employees to the MPF Scheme (subject to a cap). Total pension expense incurred by the Company was $73, $135 and $74 for the years ended December 31, 2014, 2013 and 2012, respectively.