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v3.19.2

Related Party Transactions - Additional Information (Detail) |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 30, 2019 USD ($) Installment | Dec. 29, 2015 USD ($) $ / shares shares | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | May 23, 2018 USD ($) $ / shares shares
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Credit facility outstanding |  | $ 5,000,000 |  |  |  |  |
Future minimum lease payments |  |  | $ 153,000 |  | $ 153,000 |  |
Total rental payments made under lease agreement |  |  | $ 153,000 | $ 53,000 | $ 299,000 | $ 107,000 |
Comstock Growth Fund II, L.C. [Member] | Notes Payable, Other Payables [Member] | Note Exchange Agreement [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Credit facility outstanding |  |  |  |  |  |  | $ 3,700,000
Stonehenge [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Original principal amount |  | 4,500,000 |  |  |  |  |
Principal amount outstanding plus all accrued but unpaid interest |  | $ 3,900,000 |  |  |  |  |
Stonehenge [Member] | Series B Preferred Stock [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Shares issued upon conversion of debt | shares |  | 772,210 |  |  |  |  |
Preferred stock par value per share | $ / shares |  | $ 0.01 |  |  |  |  |
Preferred stock redemption price | $ / shares |  | $ 5.00 |  |  |  |  |
Cumulative, compounded, preferred return rate |  | 8.75% |  |  |  |  |
Comstock Growth Fund II, L.C. [Member] | Comstock Growth Fund II, L.C. [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Debt instrument, initial principal amount |  | $ 5,000,000 |  |  |  |  |
Series C- Non Convertible Preferred Stock [Member] | Comstock Growth Fund II, L.C. [Member] | Notes Payable, Other Payables [Member] | Note Exchange Agreement [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Preferred stock par value per share | $ / shares |  |  |  |  |  |  | $ 0.01
Convertible preferred shares issued upon conversion | shares |  |  |  |  |  |  | 738,390
Series C Preferred Stock [Member] | Comstock Growth Fund II, L.C. [Member] | Notes Payable, Other Payables [Member] | Note Exchange Agreement [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Preferred stock liquidation value per share | $ / shares |  |  |  |  |  |  | $ 5.00
Business Management Agreement [Member] | Investors X [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Aggregate fee payable | $ 937,500 |  |  |  |  |  |
Number of installments of fee payment | Installment | 15 |  |  |  |  |  |
Aggregate fee payable, frequency of periodic payment |  |  |  |  | quarterly |  |
Fee payable in installments | $ 62,500 |  |  |  |  |  |

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