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v3.19.2

(Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Jun. 30, 2018 | Mar. 31, 2019 | Dec. 31, 2018
Loss Contingencies [Line Items] |  |  |  |  |
Expected insurance proceeds | $ 973,000 | $ 973,000 |  |  |
Accrued remediation contingency (Note 14) | 2,228,000 | 2,228,000 |  | $ 1,223,000 | $ 0
Insurance deductible |  | 250,000 |  |  |
Addition to claims receivable | 1,005,000 | 1,005,000 |  |  |
Addition to accrued liability | 1,005,000 |  |  |  |
Receivable from insurance carrier | 1,978,000 | 1,978,000 |  |  | 0
Non-conformance accrual | 2,228,000 | 2,228,000 |  |  |
Accounts receivable | 14,627,000 | 14,627,000 |  |  | $ 18,399,000
Change in warranty liability balance |  | 0 | $ 0 |  |
Warranty liability balance | 159,000 | 159,000 | $ 159,000 |  |
Customer One |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Accounts receivable | $ 500,000 | $ 500,000 |  |  |

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