The financial statements have been prepared under the historical cost convention and in accordance with Financial Reporting Standard 102 section 1A Small Entities "The Financial Reporting Standard applicable in the UK and Republic of Ireland" and the Companies Act 2006.

Other intangible assets are patents and licences. It is amortised to the profit and loss account over its estimated economic life of 5 years.

In the research phase of an internal project it is not possible to demonstrate that the project will generate future economic benefits and hence all expenditure on research is recognised as an expense when it is incurred. Intangible assets are recognised from the development phase of a project if and only if certain specific criteria are met in order to demonstrate the asset will generate probable future economic benefits and that its cost can be reliably measured. The capitalised development costs are subsequently amortised to the profit and loss account on a straight line basis over their expected useful economic lives, which range from 1 to 5 years.