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Stockholders' Equity and Stock-Based Compensation (Details) - USD ($) |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 10, 2019 | Mar. 15, 2019 | Apr. 22, 2017 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | 700,000 | 7,300,000 |  |  |  |  |
Gross Proceeds from Registered Sale of Equity Securities | $ 800,000 | $ 8,000,000.0 |  |  |  |  |
Shares Issued, Price Per Share | $ 1.10 | $ 1.10 |  |  |  |  |
Underwriting Discounts and Offering Expenses from Registered Sale of Equity Securities | $ 100,000 | $ 700,000 |  |  |  |  |
Stock Issued During Period, Value, Treasury Stock Reissued |  |  |  |  |  | $ 24,664,250 |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 0.80% | 8.90% |  |  |  |  |
Excess Stock, Shares Authorized |  |  |  | 14,100,000 |  |  |
Stock-based compensation |  |  |  | $ 2,057,400 | $ 4,791,054 | $ 2,296,131 |
Shares Committed to be Issued Under Stock Incentive Plan |  |  |  | $ 500,000 |  |  |
Restricted stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value |  |  |  | $ 1.60 | $ 2.51 | $ 3.31 | $ 3.21
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |  |  |  | $ 900,000 |  |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition |  |  |  | 2 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  | 645,000 | 1,549,000 | 1,152,000 |
2010 Equity Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares that may be issued |  |  |  | 1,400,000 |  |  |
Share-based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  |  |  | 1 year |  |  |
Share-based Payment Arrangement, Tranche One [Member] | Restricted stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Market Price, Award Vest |  |  |  | $ 5.25 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate |  |  |  | 48.30% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate |  |  |  | 1.97% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |  |  |  | 2 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  | 640,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  | 20 days |  |  |
Share-based Payment Arrangement, Tranche Two [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  |  |  | 2 years |  |  |
Share-based Payment Arrangement, Tranche Two [Member] | Restricted stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Market Price, Award Vest |  |  |  | $ 6.00 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate |  |  |  | 48.30% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate |  |  |  | 1.97% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |  |  |  | 2 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |  |  |  | 0.00% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  | 150,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  | 20 days |  |  |
Share-based Payment Arrangement, Tranche Three [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  |  |  | 4 years |  |  |
Share-based Payment Arrangement, Tranche Three [Member] | Restricted stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Market Price, Award Vest |  |  |  | $ 7.00 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate |  |  |  | 48.30% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate |  |  |  | 1.97% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |  |  |  | 2 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |  |  |  | 0.00% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  | 150,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  | 20 days |  |  |
Period One [Member] | Unvested Restricted Stock Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  |  |  | 1 year |  |  |
Period Two [Member] | Unvested Restricted Stock Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  |  |  | 2 years |  |  |
Period Three [Member] | Unvested Restricted Stock Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  |  |  | 4 years |  |  |
Goertek [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Sale of Stock, Number of Shares Issued in Transaction |  |  | 7,589,000 |  |  |  |
Stock Issued During Period, Value, Treasury Stock Reissued |  |  | $ 24,664,250 |  |  |  |
Sale of Stock, Price Per Share |  |  | $ 3.25 |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  | 10.10% |  |  |  |
Gain (Loss) on Sale of Treasury Stock |  |  | $ 800,000 |  |  |  |

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