Inventory	12 Months Ended
Dec. 31, 2015
Inventory [Abstract]
Inventory	13. Inventory At each period end, inventory is reviewed to ensure that it is recorded at the lower of cost and net realizable value. During the year ended December 31, 2015, the Company recorded inventory write downs of $480,000 (2014: $2,177,000; 2013: $963,000). Of inventory held at December 31, 2015, 91% is expected to be sold prior to the end of March 2016, with the remainder to be sold by the end of June 2016 (December 31, 2014: 100% sold by the end of June 2015). During the year ended December 31, 2015, inventory was held for an average of approximately 31 days (2014: 30 days; 2013: 29 days).

Inventory

12 Months Ended

Dec. 31, 2015

13. Inventory

At each period end, inventory is reviewed to ensure that it is recorded at the lower of cost and net realizable value. During the year ended December 31, 2015, the Company recorded inventory write downs of $480,000 (2014: $2,177,000; 2013: $963,000).

Of inventory held at December 31, 2015, 91% is expected to be sold prior to the end of March 2016, with the remainder to be sold by the end of June 2016 (December 31, 2014: 100% sold by the end of June 2015). During the year ended December 31, 2015, inventory was held for an average of approximately 31 days (2014: 30 days; 2013: 29 days).