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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2018
Commitments and Contingencies [Abstract] |
Minimum Future Rental Payments | As of December 31, 2018, minimum future rental payments under such non-cancelable operating leases are as follows:
Year Ending December 31, |  | U.S. Dollars (in thousands) |
2019 |  |  | 1,007 |
2020 |  |  | 726 |
2021 |  |  | 205 |
Thereafter |  |  | 40 |
|  |  | 1,978 |
Allowance For Doubtful Accounts | The following is a summary of the allowance for doubtful accounts related to accounts receivable for the years ended December 31:
|  | Balance at |  |  |  |  |  |  |  |  |  |  |  | Balance at |
|  | beginning |  |  |  |  |  | Reversal of |  |  | Write-off of |  |  | end of |
|  | of period |  |  | Provision |  |  | provision |  |  | provision |  |  | period |
|  | U.S. Dollars (in thousands) |
2016 |  |  | 755 |  |  |  | 16 |  |  |  | (180 | ) |  |  | - |  |  |  | 591 |
2017 |  |  | 591 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 591 |
2018 |  |  | 591 |  |  |  | - |  |  |  | - |  |  |  | (181 | ) |  |  | 410 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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