Accretion of debt discount.

No definition available.

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- Definition

Amortization period of interest expense.

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No definition available.

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- Definition

Debt instrument fundraising costs.

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Debt instrument maturity term.

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No definition available.

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- Definition

Debt instrument onetime cash payment.

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No definition available.

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- Definition

Debt instrument percentage of loan funds utilized.

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- Definition

Escrow deposit disbursements.

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No definition available.

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- Definition

Installment period of note.

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No definition available.

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Number of equal installments of principal value of note.

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No definition available.

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- Definition

Number of promissory notes.

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No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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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.

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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.

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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.

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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.

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Amount of the total principal payments made during the annual reporting period.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.

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Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

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Face (par) amount of debt instrument at time of issuance.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

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Amount of the required periodic payments including both interest and principal payments.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount, after accumulated amortization, of debt discount.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Notes Payable - Additional Information (Detail)							1 Months Ended											3 Months Ended	12 Months Ended
Notes Payable - Additional Information (Detail)	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