v3.21.1

Notes Payable - Additional Information (Detail) |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 19, 2020 | Apr. 16, 2020 USD ($) | Mar. 11, 2020 USD ($) | Sep. 25, 2019 USD ($) Installment | Aug. 15, 2018 USD ($) | Jan. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2020 shares | Mar. 31, 2020 USD ($) | Feb. 01, 2020 USD ($) | Jan. 31, 2020 USD ($) | Oct. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | May 31, 2019 USD ($) $ / shares shares | Nov. 30, 2018 USD ($) $ / shares shares | Oct. 31, 2018 USD ($) $ / shares shares | Sep. 30, 2018 USD ($) PromissoryNote | Apr. 30, 2018 USD ($) | May 02, 2020 USD ($) | Jan. 31, 2021 USD ($) | Jan. 30, 2021 USD ($) | Dec. 31, 2019 USD ($) $ / shares shares | Feb. 01, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,478,000 |  |  |
Long-term debt, maturity, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 620,000 |  |  |
Long-term debt, maturity, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,250,000 |  |  |
Convertible notes converted into shares of common stock | shares |  |  |  |  |  | 57,029 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants exercisable into shares of common stock | shares |  |  |  |  |  | 57,029 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants, per share | $ / shares |  |  |  |  |  | $ 91.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of debt discount |  |  |  |  |  | $ 271,000 |  |  | $ 2,674,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization period of interest expense |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of converted notes to common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,615,000 | $ 8,001,000 |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  | 16,359,000 |  |  |  |  |  |  |  |  |  |  | 4,348,000 |  |
(Loss) gain on debt conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,642,000 | (4,057,000) |
Accretion of discount |  |  |  |  |  |  |  |  | 373,000 |  |  |  |  |  |  |  |  |  |  | 666,000 | 3,519,000 |
Interest expense |  |  |  |  |  |  |  |  | 532,000 |  |  |  |  |  |  |  |  |  |  | 1,048,000 | 4,876,000 |
Derivative liability |  |  |  |  |  |  |  |  | 2,527,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Increase decrease in derivative liability |  |  |  |  |  |  |  |  | (807,000) |  |  |  |  |  |  |  |  |  |  | $ 543,000 | 6,233,000 |
CARES Act [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of loaned funds utilized | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Paycheck Protection Program [Member] | CARES Act [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, issued amount |  | $ 3,098,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, amount |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loan maturity term |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion of discount |  |  |  |  |  |  |  |  | 373,000 |  |  |  |  |  |  |  |  |  | 668,000 |  | 3,519,000 |
Interest expense |  |  |  |  |  |  |  |  | 532,000 |  |  |  |  |  |  |  |  |  | $ 1,048,000 |  | 4,867,000 |
Notes Payable [Member] | Termination Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, periodic payment |  |  | $ 27,929 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, amount |  |  | $ 335,152 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note payable, frequency of periodic payment |  |  | twelve equal monthly installments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, first monthly installment due date |  |  | Apr. 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes Payable [Member] | Simply Mac, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) gain on debt conversion |  |  | $ 6,961,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, onetime cash payment |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Escrow deposit disbursements |  |  | $ 345,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
4.02% Promissory Note Due April 2021 [Member] | Notes Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.02% |  | 6.00% |  |  |
Aggregate principal amount of converted notes to common stock |  |  |  |  |  |  |  |  |  |  | $ 204,000 |  |  |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  |  |  | 704,000 |  |  |  |  |  |  | $ 500,000 |  |  |  |
Notes payable, issued amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |  |  |
Notes payable, maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Apr. 30, 2021 | Dec. 31, 2020 |  |  |  |
8% Promissory Notes Due March 2021 [Member] | Notes Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |  |
Notes payable, issued amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,107,000 |  |  |  |  |  |
Notes payable, maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Mar. 31, 2021 |  |  |
Number of promissory notes | PromissoryNote |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 |  |  |  |  |  |
12% Convertible Notes Due October 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes converted into shares of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 94,118 |  |  |  |  |  |  |
Warrants exercisable into shares of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 47,059 |  |  |  |  |  |  |
Exercise price of warrants, per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 42.50 |  |  |  |  |  |  |
Amortization of debt discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,942,000 |  |  |  |  |  |  |
Amortization period of interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  | $ 1,775,000 |  |  |  |  |  |  |  |  |  |  |  |  |
12% Convertible Notes Due October 2019 [Member] | Notes Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |  |  | 12.00% |  |  |
Notes payable, maturity date |  |  |  |  |  |  |  |  | Oct. 31, 2019 |  |  |  |  |  |  |  |  |  | Oct. 31, 2019 |  |  |
12% Convertible Notes Due November 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes converted into shares of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 27,727 |  |  |  |  |  |  |  |
Warrants exercisable into shares of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,864 |  |  |  |  |  |  |  |
Exercise price of warrants, per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 44.00 |  |  |  |  |  |  |  |
Amortization of debt discount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 118,000 |  |  |  |  |  |  |  |
Amortization period of interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Aggregate principal amount of converted notes to common stock |  |  |  |  |  |  |  |  |  |  | 820,000 |  |  |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  | $ 400,000 |  |  |  |  |  |  |  |  |  | $ 400,000 |  | 400,000 |
(Loss) gain on debt conversion |  |  |  |  |  |  |  |  |  |  | (5,000) |  |  |  |  |  |  |  |  |  |  |
Accretion of discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 104,000 |
12% Convertible Notes Due November 2019 [Member] | Notes Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |  |  | 12.00% |  |  |
Notes payable, maturity date |  |  |  |  |  |  |  |  | Nov. 30, 2019 |  |  |  |  |  |  |  |  |  | Nov. 30, 2019 |  |  |
12% Convertible Notes Due May 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes converted into shares of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  | 125,900 |  |  |  |  |  |  |  |  |
Warrants exercisable into shares of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  | 62,950 |  |  |  |  |  |  |  |  |
Exercise price of warrants, per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 27.20 |  |  |  |  |  |  |  |  |
Amortization of debt discount |  |  |  |  |  |  |  |  |  |  |  |  | $ 940,000 |  |  |  |  |  |  |  |  |
Amortization period of interest expense |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion of discount |  |  |  |  |  |  |  |  |  | $ 34,000 |  |  |  |  |  |  |  |  |  |  |  |
12% Convertible Notes Due May 2020 [Member] | Notes Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |  |  | 12.00% |  |  |
Notes payable, maturity date |  |  |  |  |  |  |  |  | May 31, 2020 |  |  |  |  |  |  |  |  |  | May 31, 2020 |  |  |
12% Convertible Notes Due July, August and September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants value |  |  |  |  |  |  |  |  |  |  | 3,586,000 |  |  |  |  |  |  |  |  |  |  |
Amortization of debt discount |  |  |  |  |  |  |  |  |  |  |  | $ 4,368,000 |  |  |  |  |  | $ 4,368,000 |  |  |  |
Amortization period of interest expense |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of converted notes to common stock |  |  |  |  |  |  |  |  |  |  | 316,000 |  |  |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  | $ 4,235,000 |  |  |  |  |  |  |  |  |  |  |  | 4,235,000 | $ 4,235,000
(Loss) gain on debt conversion |  |  |  |  |  |  |  |  |  |  |  | $ (190,000) |  |  |  |  |  |  |  |  |  |
Accretion of discount |  |  |  |  |  |  |  |  | 339,000 |  |  |  |  |  |  |  |  |  | $ 605,000 |  | 1,288,000 |
12% Secured Promissory Note Due September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  | $ 7,858,000 |  |  |  |  |  |  |  |  |  |  |  |  |
12% Secured Promissory Note Due September 2020 [Member] | Notes Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |  |  | 12.00% |  |  |
Notes payable, maturity date |  |  |  |  |  |  |  |  | Sep. 30, 2020 |  |  |  |  |  |  |  |  |  | Sep. 30, 2020 |  |  |
12% Secured Promissory Note Due September 2020 [Member] | Notes Payable [Member] | Simply Mac, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  | $ 7,858,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, issued amount |  |  |  | $ 7,858,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of equal installments of principal value of note | Installment |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, periodic payment |  |  |  | $ 1,965,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Installment period of note |  |  |  | 3 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amended Promissory Note | Notes Payable [Member] | Simply Mac, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  | 6.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  | $ 1,250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, maturity date |  |  | Feb. 17, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Expense [Member] | 12% Convertible Notes Due July, August and September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) gain on debt conversion |  |  |  |  |  |  |  |  |  |  |  | 1,946,000 |  |  |  |  |  |  |  |  |  |
Other Expense [Member] | 12% Convertible Notes Due July, August and September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase decrease in derivative liability |  |  |  |  |  |  |  |  | $ (806,000) |  |  |  |  |  |  |  |  |  | $ 543,000 |  |  |
Valuation, Market Approach [Member] | 12% Convertible Notes Due July, August and September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,954,000 |  |  |  |
Convertible Notes and Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes amount |  |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, term |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants value |  |  |  |  |  | $ 127,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion feature value |  |  |  |  |  | 144,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt value |  |  |  |  |  | $ 729,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of converted notes to common stock |  |  |  |  | $ 725,000 |  |  | $ 91,000 |  |  | 184,000 |  |  |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  |  |  | 91,000 |  |  |  |  |  |  |  |  |  |  |
Accretion of discount |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  | $ 1,000 |  | 33,000 |
Convertible Notes and Warrants [Member] | 12% Convertible Notes Due October 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |  |
Debt instrument, term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |  |  | 6.00% |  |  |
Warrants value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 769,000 |  |  |  |  |  |  |
Conversion feature value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,173,000 |  |  |  |  |  |  |
Debt value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,058,000 |  |  |  |  |  |  |
Aggregate principal amount of converted notes to common stock |  |  |  |  |  |  |  |  |  |  | 2,225,000 |  |  |  |  |  |  |  | $ 1,700,000 |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  | $ 1,775,000 |  |  |  |  |  |  |  |  |  | $ 75,000 |  | 1,775,000 |
(Loss) gain on debt conversion |  |  |  |  |  |  |  |  |  |  | (8,000) |  |  |  |  |  |  |  |  |  |  |
Accretion of discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,610,000 |
Notes payable, maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jun. 30, 2020 |  |  |
Convertible Notes and Warrants [Member] | 12% Convertible Notes Due November 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,220,000 |  |  |  |  |  |  |  |
Debt instrument, term |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |
Warrants value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 118,000 |  |  |  |  |  |  |  |
Debt value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,102,000 |  |  |  |  |  |  |  |
Convertible Notes and Warrants [Member] | 12% Convertible Notes Due May 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,500,000 |  |  |  |  |  |  |  |  |
Debt instrument, term |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |  |
Warrants value |  |  |  |  |  |  |  |  |  |  |  |  | $ 507,000 |  |  |  |  |  |  |  |  |
Conversion feature value |  |  |  |  |  |  |  |  |  |  |  |  | 243,000 |  |  |  |  |  |  |  |  |
Debt value |  |  |  |  |  |  |  |  |  |  |  |  | 2,750,000 |  |  |  |  |  |  |  |  |
Aggregate principal amount of converted notes to common stock |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |
Notes payable, outstanding amount |  |  |  |  |  |  |  |  |  |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  |
(Loss) gain on debt conversion |  |  |  |  |  |  |  |  |  |  |  |  | 57,000 |  |  |  |  |  |  |  |  |
Accretion of discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60,000 |  | $ 485,000 |
Fundraising costs |  |  |  |  |  |  |  |  |  |  |  |  | 190,000 |  |  |  |  |  |  |  |  |
Convertible Notes and Warrants [Member] | 12% Convertible Notes Due July, August and September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes amount |  |  |  |  |  |  |  |  |  |  |  | $ 4,551,000 |  |  |  |  |  |  |  |  |  |
Debt instrument, term |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |
Notes payable, interest rate |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |  |  |
Warrants value |  |  |  |  |  |  |  |  |  |  |  | $ 1,897,000 |  |  |  |  |  |  |  |  |  |
Conversion feature value |  |  |  |  |  |  |  |  |  |  |  | 2,471,000 |  |  |  |  |  |  |  |  |  |
Debt value |  |  |  |  |  |  |  |  |  |  |  | $ 182,000 |  |  |  |  |  |  |  |  |  |
Convertible Notes and Warrants [Member] | Interest Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) gain on debt conversion |  |  |  |  |  |  |  | $ 5,000 |  |  | $ (15,000) |  |  |  |  |  |  |  |  |  |  |
Convertible Notes and Warrants [Member] | Interest Expense [Member] | 12% Convertible Notes Due May 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) gain on debt conversion |  |  |  |  |  |  |  |  |  |  |  |  | $ (304,000) |  |  |  |  |  |  |  |  |
Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |
Convertible notes converted into shares of common stock | shares |  |  |  |  |  |  | 453,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000,000 |
Exercise price of warrants, per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.50 |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  | 105 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | 12% Convertible Notes Due October 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90 |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | 12% Convertible Notes Due November 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  |  | 90 |  |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | 12% Convertible Notes Due May 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  | 105 |  |  |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  | 2.20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Risk Free Interest Rate [Member] | 12% Convertible Notes Due October 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.47 |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Risk Free Interest Rate [Member] | 12% Convertible Notes Due November 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.52 |  |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Risk Free Interest Rate [Member] | 12% Convertible Notes Due May 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  | 2.33 |  |  |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Entity Credit Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  | 7.70 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Discount Rate [Member] | 12% Convertible Notes Due October 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Discount Rate [Member] | 12% Convertible Notes Due November 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 |  |  |  |  |  |  |  |
Warrants [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Discount Rate [Member] | 12% Convertible Notes Due May 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  |  |  |  |  |  |  |
Warrants [Member] | Convertible Notes [Member] | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | 12% Convertible Notes Due July, August and September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  | 70 |  |  |  |  |  |  |  |  |  |
Warrants [Member] | Convertible Notes [Member] | Valuation, Market Approach [Member] | Measurement Input, Exercise Price [Member] | Certain Portion of 12% Convertible Notes Due July, August and September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |  |  |  |  |  |
Warrants [Member] | Convertible Notes [Member] | Valuation, Market Approach [Member] | Measurement Input, Exercise Price [Member] | Other Portion of 12% Convertible Notes Due July, August and September 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value assumption |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  |  |  |  |  |  |  |  |

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- Definition Debt instrument onetime cash payment. + References No definition available. + Details
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- Definition Debt instrument percentage of loan funds utilized. + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(13)) -URI http://asc.fasb.org/extlink&oid=120401414&loc=d3e603758-122996 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 + Details
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- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 + Details
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