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Commitments and Contingencies Future minimum lease payments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Operating leases:
2013	$ 1,709
2014	1,292
2015	1,229
2016	1,261
2017	1,305
Thereafter	7,394
Liability	14,190
Financing lease:
2013	1,047	[1]
2014	1,085	[1]
2015	1,124	[1]
2016	1,165	[1]
2017	1,255	[1]
Thereafter	6,440	[1]
Total	12,116	[1]
Less: interest portion	(524)	[1]
Liability	11,592	[1]
Capital leases:
2013	121
2014	96
2015	8
2016	4
2017	0
Thereafter	0
Total	229
Less: interest portion	(18)
Liability	$ 211
[1] Relates to the McCook, Illinois distribution center lease.

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