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Commitments and Contingencies Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Warranty Activity | Warranty activity, included in accrued expenses in our consolidated balance sheets, for 2014, 2013 and 2012 consists of the following (in thousands):
| 2014 |  | 2013 |  | 2012
Beginning balance | $ | 328 |  |  | $ | 58 |  |  | $ | 3 |
Additions | 388 |  |  | 290 |  |  | 57 |
Charges | (256 | ) |  | (20 | ) |  | (2 | )
Ending balance | $ | 460 |  |  | $ | 328 |  |  | $ | 58 |
Schedule of Annual Minimum Operating Lease Payments | The approximate annual minimum lease payments over the next five years under the operating lease as of December 31, 2014 are (in thousands):
2015 | $ | 583 |
2016 | 572 |
2017 | 578 |
2018 | 591 |
2019 and thereafter | 1,217 |
| $ | 3,541 |

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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