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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 28, 2019 | Sep. 30, 2019 | May 31, 2019 | Mar. 30, 2019 | Dec. 29, 2018 | Jun. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Financial instrument fair value | $ 35,045,620 |  |  |  | $ 43,097,888 |
Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Financial instrument fair value | 8,704,100 |  |  |  | $ 5,565,499 |
RealWear, Inc. | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Financial instrument fair value | 5,200,000 |  |  |  |  |
Equity Securities, FV-NI |  |  | $ 2,500,000 |  |  |
Unrealized Gain (Loss) on Securities | 800,000 |  |  |  |  |
Shares Acquired in an Equity Security |  |  | 368,732 |  |  |
Percentage Owned of an Equity Investment |  |  |  |  |  | 15.00%
Equity Investment One | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Payments to acquire an equity investment |  |  |  | $ 1,000,000.0 |  |
Financial instrument fair value | 3,500,000 |  |  |  |  |
Unrealized Gain (Loss) on Securities | $ 100,000 |  |  |  |  |
Percentage Owned of an Equity Investment | 11.40% |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Cash Proceeds from Equity Raise |  | $ 7,500,000 |  |  |  |
Subsequent Event [Member] | Solos, Inc. [Member] | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Shares Acquired in an Equity Security |  | 1,172,000 |  |  |  |
Percentage Owned of an Equity Investment |  | 20.00% |  |  |  |

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