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Loans Payable - Note 6 - MINOSA 2 - Additional Information (Detail) $ / shares in Units, Cuota in Millions |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 10, 2017 USD ($) d $ / shares | Mar. 21, 2017 USD ($) | Oct. 01, 2016 USD ($) d $ / shares | Mar. 18, 2016 USD ($) d Cuota $ / shares | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2020 USD ($) Cuota | Jun. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2017 USD ($) | Jul. 31, 2020 $ / shares | Jan. 25, 2017 USD ($) | Mar. 17, 2016 $ / shares | Mar. 11, 2015 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price of Notes | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 3.71 |  |  |
Aggregate amount issuable |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Note 6 - MINOSA 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, threshold payment term |  |  |  |  |  |  |  | 60 days |  |  | 60 days |  |  |  |
BCF amount recorded |  |  |  |  |  |  |  | $ 62,925 |  |  |  |  |  |  |
Accrued interest |  |  |  |  | $ 125,904 | $ 125,904 |  | 251,807 | $ 250,424 |  |  |  |  |  |
Judgment amount for acceleration of indebtedness |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |
Minimum aggregate offering price |  |  |  |  | 3,000,000 |  |  | 3,000,000 |  |  |  |  |  |  |
Note 6 - MINOSA 2 [Member] | Stock Purchase Agreement [Member] | Promissory Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate amount issuable |  |  |  |  | 14,750,000 |  |  | 14,750,000 |  | $ 14,750,000 |  |  |  |  | $ 14,750,000
Note 6 - MINOSA 2 [Member] | Loans Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding |  |  |  |  | 5,050,000 |  |  | 5,050,000 |  | 5,050,000 |  |  |  |  |
Interest rate, stated percentage | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, threshold payment term | 60 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of trading days | d | 75 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price of Notes | $ / shares | $ 4.41 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 6 - MINOSA 2 [Member] | Notes Payable, Other Payables [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Minosa Purchase Agreement [Member] | Loans Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt , maximum borrowing capacity | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding | 2,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Epsilon Acquisitions, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest |  |  |  |  | 24,931 | $ 24,931 |  | 49,862 | $ 49,862 |  |  |  |  |  |
Aggregate amount issuable |  |  |  | $ 6,000,000 |  |  |  |  |  |  |  |  |  |  |
Epsilon Acquisitions, LLC [Member] | Notes Payable, Other Payables [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding |  |  |  |  | $ 1,000,000 |  |  | $ 1,000,000 |  | 1,000,000 |  |  |  |  |
Debt conversion amount | $ 2,000,000 | $ 2,000,000 |  |  |  |  |  |  |  |  | $ 2,000,000 |  |  |  |
Interest rate, stated percentage |  |  | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |  |
Number of trading days | d |  |  | 75 | 75 |  |  |  |  |  |  |  |  |  |  |
Conversion price of Notes | $ / shares |  |  | $ 5.00 | $ 5.00 |  |  |  |  |  |  |  |  |  | $ 5.00 |
BCF amount recorded |  |  |  |  |  |  |  |  |  | 96,000 |  |  |  |  |
Accrued interest |  |  |  |  |  |  | $ 302,274 |  |  |  |  |  |  |  |
Aggregate amount issuable |  | $ 6,000,000 | $ 3,000,000 | $ 3,000,000 |  |  |  |  |  |  |  |  | $ 3,000,000 |  |
Pledged units of ownership | Cuota |  |  |  | 54 |  |  |  | 54 |  |  |  |  |  |  |
Epsilon Acquisitions, LLC [Member] | Second AR Epsilon Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of loan outstanding |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |  |  |

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