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Commitments and Contingencies (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 USD ($) ft² | Mar. 31, 2015 USD ($)
Product Warranty [Abstract] |  |
Period of warranty | 12 months |
Change in warranty accrual [Roll Forward] |  |
Beginning accrued warranty and related costs | $ 497 | $ 802
Accruals for warranties issued | 19 | 174
Adjustments related to pre-existing warranties including expirations and changes in estimates | (67) | (294)
Cost of warranty repair | (18) | (290)
Ending accrued warranty and related costs | $ 431 | $ 392
Leases [Abstract] |  |
Area of property under long-term operating lease (in square feet) | ft² | 19,467 |
Additional years per lease option | 3 years |
Term of royalty agreement | 8 years |
Aggregate amount payable towards royalty | $ 7,000 |
Outstanding contractual obligations [Abstract] |  |
Less than 1 year | 250 |
1-3 years | 201 |
4-5 years | 54 |
More than 5 year | 79 |
Total | 584 |
Other Commitments, Fiscal Year Maturity [Abstract] |  |
Total | 2,165 |
Less than 1 year | 825 |
1-3 years | 1,207 |
4-5 years | 54 |
More than 5 years | 79 |
Royalty Agreement [Member] |  |
Other Commitments, Fiscal Year Maturity [Abstract] |  |
Total | 1,581 |
Less than 1 year | 575 |
1-3 years | $ 1,006 |

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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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