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Warranties | 12 Months Ended
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Dec. 31, 2018
Warranties Disclosure [Abstract] |
Warranties Disclosure [Text Block] | 11. Warranties Warranties are estimated and accrued at the time revenues are recorded. A rollforward of the Company’s product warranty accrual is as follows:
|  | Beginning |  |  | (Payments)\ |  |  |  |  |  | Ending
|  | Balance |  |  | Credits |  |  | Additions |  |  | Balance
|  | (in thousands)
Year ended December 31, 2017 | $ | 193 |  |  | (7) |  |  | 60 |  | $ | 246
Year ended December 31, 2018 | $ | 246 |  |  | (37) |  |  | 182 |  | $ | 391

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- References No definition available. + Details
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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -URI http://asc.fasb.org/topic&trid=2155896 + Details
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