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Commitments

12 Months Ended

Dec. 31, 2014

Commitments And Contingencies Disclosure [Abstract]

11.	Commitments

Leases

The Company has entered into operating leases for facilities and equipment. These leases are non-cancellable and typically do not contain renewal options. Certain leases contain rent escalation clauses for which the Company recognizes the expense on a straight-line basis. Rent expense under the Company’s operating leases for the years ended December 31, 2014, 2013 and 2012 was approximately $3.4 million, $3.4 million and $4.1 million, respectively.

Future minimum lease payments under operating leases, net of amounts to be received under sub-leases, as of December 31, 2014 are as follows:

(U.S. Dollars in thousands)
2015	$	3,885
2016		3,558
2017		2,866
2018		2,671
2019		2,444
Thereafter		2,741
Total	$	18,165

Inventory purchase commitments

The Company has inventory purchase commitments with third-party manufactures for $2.5 million, $3.0 million and $1.4 million as of December 31, 2014, 2013, and 2012, respectively.

- Definition

The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights.

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