15 Inventories

	2014	2015
CHF 1,000
Raw materials, semi-finished and finished goods	54,299	58,430
Allowance for slow-moving inventories	(8,965)	(10,268)
Work in progress	2,343	3,273
Capitalized customer-specific development costs	127,500	123,867

Balance at December 31	175,177	175,302

Increase/(decrease)	25,490	(2,509)
Acquisition through business combination	3,127	3,794
Translation differences	867	(1,160)
Total change compared with previous year	29,484	125

Amount of write-offs due to slow-moving inventories charged to the statement of profit or loss	3,799	2,042