Commitments (Tables)

12 Months Ended

Dec. 31, 2012

Future minimum commitments under non-cancelable operating lease arrangements

The Company has operating leases expiring on various dates through the year 2019. The leases are primarily for the rental of office space, office and laboratory equipment and vehicles. At December 31, 2012, future minimum commitments under non-cancelable operating lease arrangements were as follows:

Year ended December 31:
2013	$	995
2014		846
2015		671
2016		502
2017		499
2018 and thereafter		539

Total commitments

4,052

Future commitments under unconditional purchase obligations

The Company is party to several unconditional purchase obligations resulting from contracts that contain legally binding provisions with respect to quantities, pricing and timing of purchases. The Company's purchase obligations mainly include commitments to purchase utilities. At December 31, 2012, future commitments under these obligations were as follows:

Year ended December 31:
2013	$	2,557
2014		1,708
2015		-
2016		-
2017		-
Total commitments	$	4,265

- Definition

Tabular disclosure of unconditional purchase obligations that are not recognized as a liability on the balance sheet, including the nature and significant terms of an unconditional purchase obligation; the amount of the fixed and determinable portion of the obligation as of the date of the latest balance sheet presented in the aggregate and, if determinable, for each of the five succeeding fiscal years; the nature of any variable components of the obligation; the amount purchased under the obligation (for example, the take-or-pay or throughput contract) for the reporting period; and may include the amount of imputed interest necessary to reduce the obligation to present value.

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