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Summary Of Significant Accounting Policies - Additional Information (Detail) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) Customers | Dec. 31, 2018 USD ($) Customers | Dec. 31, 2017 USD ($) | Jan. 01, 2019
Significant Accounting Policies [Line Items] |  |  |  |
Number Of Major Customers | Customers | 1 | 2 |  |
Advertisement expenses | $ 83 | $ 160 | $ 201 |
Stock options vesting period | 3 years |  |  |
Stock options period of expiry | 10 years |  |  |
Description of uncertain position | The first step is recognition, where the Company evaluates whether an individual tax position has a likelihood of greater than 50% of being sustained upon examination based on the technical merits of the position, including resolution of any related appeals or litigation processes. For tax positions that are currently estimated to have a less than 50% likelihood of being sustained, zero tax benefit is recorded. |  |  |
Weighted Average Incremental Borrowing Rate |  |  |  | 6.25%
Crop Inventory [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Inventory Write-down | $ 218 | $ 401 |  |
Share-based Payment Arrangement, Tranche One [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Stock options vesting percentage | 33.00% |  |  |
Share-based Payment Arrangement, Tranche Two [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Stock options vesting percentage | 33.00% |  |  |
Share-based Payment Arrangement, Tranche Three [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Stock options vesting percentage | 33.00% |  |  |
Maximum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Percentage of tax position likely to be sustained | 50.00% |  |  |
Minimum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Percentage of tax position likely to be sustained | 50.00% |  |  |
Accounts Receivable [Member] | Major Customer [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage | 16.90% |  |  |
Accounts Receivable [Member] | Major Customer One [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage |  | 13.80% |  |
Accounts Receivable [Member] | Major Customer Two [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage |  | 11.50% |  |
Revenue Benchmark [Member] | United States [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage | 83.00% | 83.00% |  |
Revenue Benchmark [Member] | Walmart [Member] | United States [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage | 11.80% |  |  |
Revenue Benchmark [Member] | Kroger [Member] | United States [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage | 10.90% |  |  |
Revenue Benchmark [Member] | Publix Super Markets [Member] | United States [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage | 10.60% |  |  |
Produce Revenue [Member] | Kroger [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage |  | 11.40% |  |
Produce Revenue [Member] | Publix Super Markets [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration Risk, Percentage |  | 12.00% |  |

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