Annual report pursuant to Section 13 and 15(d)

Intangible assets - Schedule of Annual Estimated Amortization Expense (Details)

v2.4.1.9
Intangible assets - Schedule of Annual Estimated Amortization Expense (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]    
2015 $ 84us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
2016 65us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2017 48us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2018 48us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2019 25us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Net amount $ 270us-gaap_FiniteLivedIntangibleAssetsNet $ 215us-gaap_FiniteLivedIntangibleAssetsNet