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Organization, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) |  | 12 Months Ended
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Jan. 01, 2019 USD ($) | Dec. 31, 2019 USD ($) Customer ServiceProvider Institution | Dec. 31, 2018 USD ($) Customer ServiceProvider | Dec. 31, 2016 USD ($)
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of customers concentrated | Customer |  | 1 | 1 |
Number of service providers concentrated | ServiceProvider |  | 1 | 1 |
Financial institutions to held securities | Institution |  | 1 |  |
Cash and cash equivalents original maturity dates |  | Three months or less |  |
Bank balances |  | $ 28,000,000 | $ 11,800,000 |
Costs capitalized |  | $ 0 |  |
Substantial doubt about going concern, management's evaluation |  | In connection with preparing consolidated financial statements for the year ended December 31, 2019, management evaluated whether there were conditions and events, considered in the aggregate, that raised substantial doubt about the Company’s ability to continue as a going concern within one year from the date that the financial statements are issued. The Company considered the historical operating loss and negative cash flow from operating activities trends, including the positive trends occurring in the recent year. The Company evaluated its ability to meet its obligations as they become due within one year from the date that the financial statements are issued and management believes that the Company will generate enough cash from operations to satisfy its obligations for the next twelve months from the issuance date. |  |
Net lease assets |  | $ 6,464,000 |  |
Lease liabilities |  | 6,995,000 |  |
Adjustment to retained earnings |  | 93,000 |  |
ASC 842 [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Net lease assets | $ 3,100,000 |  |  |
Lease liabilities | 3,100,000 |  |  |
Adjustment to retained earnings | $ 100,000 |  |  |
Graphics [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Total sales incentives |  | $ 16,000 | $ 100,000 |
Customer Relationships Intangible Asset [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Asset impairment charges |  |  |  | $ 400,000
Customer Concentration Risk [Member] | Revenues [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 84.00% | 81.00% |
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 92.00% | 82.00% |
Supplier concentration risk [Member] | Accounts payable [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 10.00% | 21.00% |
Minimum [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of the assets |  | 3 years |  |
Intangible assets and amortization, useful life |  | 2 years |  |
Minimum [Member] | Customer Concentration Risk [Member] | Revenues [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 10.00% | 10.00% |
Minimum [Member] | Supplier concentration risk [Member] | Purchase [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 10.00% | 10.00% |
Maximum [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of the assets |  | 7 years |  |
Intangible assets and amortization, useful life |  | 10 years |  |

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