| d. | Property and equipment: |
| 1) | All property and equipment (including leasehold improvements) are stated at historical cost less accumulated depreciation and impairment. Historical cost includes expenditures that are directly attributable to the acquisition of the items. |
Repairs and maintenance are charged to the income statement during the period in which they are incurred.
| 2) | The assets are depreciated using the straight-line method to allocate their cost over their estimated useful lives. |
Annual rates of depreciation are as follows:
| % | ||||
| Laboratory equipment | 9-15 | |||
| Computers | 25-33 | |||
| Office furniture and equipment | 7 | |||
Leasehold improvements in buildings under operating leases are depreciated using the straight-line method over the shorter of the term of the lease or the estimated useful life of the improvements.
| 3) | Gains and losses on disposals are determined by comparing proceeds with the associated carrying amount. These are included in the statements of comprehensive loss. |