Stockholders' Deficit - Additional Information (Detail)
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1 Months Ended |
12 Months Ended |
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Oct. 31, 2020 |
Oct. 14, 2020
shares
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Dec. 31, 2021
USD ($)
FormerExecutive
shares
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Nov. 30, 2021
USD ($)
shares
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Oct. 31, 2021
USD ($)
PrivatePlacement
shares
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Sep. 30, 2021
USD ($)
FormerExecutive
PrivatePlacement
shares
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Aug. 31, 2021
USD ($)
PrivatePlacement
shares
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Jun. 30, 2021
USD ($)
FormerExecutive
shares
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Apr. 30, 2021
USD ($)
$ / shares
shares
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Mar. 31, 2021
USD ($)
FormerExecutive
$ / shares
shares
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Dec. 31, 2020
USD ($)
shares
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Sep. 30, 2020
USD ($)
shares
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Aug. 31, 2020
USD ($)
shares
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Jun. 30, 2020
USD ($)
Director
shares
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Apr. 30, 2020
USD ($)
shares
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Mar. 31, 2020
USD ($)
ConvertibleNote
$ / shares
shares
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Jan. 29, 2022
USD ($)
shares
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Jan. 30, 2021
USD ($)
FormerExecutive
shares
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Dec. 31, 2019
USD ($)
shares
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Jul. 06, 2021
USD ($)
$ / shares
shares
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Nov. 30, 2019
shares
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Dec. 31, 2018
shares
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Jun. 30, 2015
shares
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Preferred stock, shares authorized | shares |
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10,000,000
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10,000,000
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| Preferred stock, shares outstanding | shares |
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2,000
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2,000
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| Common stock, shares authorized | shares |
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150,000,000
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150,000,000
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| Common stock, shares outstanding | shares |
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12,886,000
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11,465,000
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| Promissory note principal amount |
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$ 6,927,000
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$ 4,348,000
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| Debt exchange conversion aggregate amount |
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1,045,000
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6,615,000
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| (Loss) gain on debt conversion |
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3,139,000
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$ 13,642,000
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| Debt conversion, description |
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Company entered into an additional debt restructuring that resulted in the conversion of debt with an aggregate principal amount of $7,492,000 and accrued interest of $691,000 into common stock of the Company. The carrying value of the debt and related derivative liability at the time of extinguishment amounted to $8,341,000. The aggregate total of $8,183,000 was converted into 4,814,000 shares of common stock at $1.70 per share.
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| Debt conversion, aggregate principal amount |
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$ 7,492,000
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| Debt conversion, accrued interest |
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691,000
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| Debt aggregate conversion amount |
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$ 8,183,000
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| Debt conversion |
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1,045,000
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| Number of shares granted, value |
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2,000,000
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| Number of outside directors | Director |
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2
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| Number of former executives | FormerExecutive |
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3
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3
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3
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3
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3
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| Reverse stock split description |
one-for-ten reverse stock split
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one-for-ten reverse split
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| Reverse stock split, conversion ratio |
0.1
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0.1
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| Warrants exercisable into shares of common stock | shares |
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418,000,000
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| Proceeds from warrant exercises |
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$ 123,000
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$ 123,000
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$ 123,000
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| Term of vesting schedule |
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10 years
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| Vested share exercised |
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3 months
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| Stock options granted under equity incentive plans | shares |
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286,000
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855,000
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| Expected life |
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5 years
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5 years
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| Risk-free interest rate, minimum |
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0.70%
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0.20%
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| Risk-free interest rate, maximum |
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0.72%
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0.30%
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| Stock-based compensation expense |
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$ 1,103,000
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$ 1,332,000
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| Expected dividend yield |
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0.00%
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0.00%
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| Stock issued during period, shares |
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$ 216,000
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| Reduction in value of warrants |
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89,000
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| Compensation expense |
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$ 127,000
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| Warrant unexercised | shares |
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247,000
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| Warrants, expiration date |
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Jan. 06, 2021
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| Warrants extend expiration period |
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4 months
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| Warrants, extended expiration date |
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May 06, 2021
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| Future stock-based compensation |
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$ 1,416,000
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| Minimum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Expected life |
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2 years 8 months 8 days
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| Maximum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Expected life |
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2 years 9 months
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| Stock Option [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock-based compensation expense |
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$ 305,000
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$ 722,000
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| Unregistered Shares [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock issued during period, shares | shares |
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300,000
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| Stock issued during period, values | shares |
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300,000
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| Restricted Stock Award [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock-based compensation expense |
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17,000
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$ 93,000
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| Immediate Vesting Options [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Expected life |
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2 years 6 months
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| Graded Vested Options [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Expected life |
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3 years 3 months 18 days
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| 2015 Equity Incentive Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock authorized for issuance there-under | shares |
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1,500,000
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1,500,000
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79,000
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5,000
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| SOL Global [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Convertible notes amount |
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$ 1,045,000,000
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| Private Placement |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Proceeds from common stock issue |
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$ 2,000,000
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$ 2,000,000
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$ 2,000,000
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| Number of private placements | PrivatePlacement |
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4
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4
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4
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| Director |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock issued | shares |
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295,000
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| Number of shares granted, value |
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$ 390,000
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| Director and Employee [Member] | Restricted Stock Award [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock issued | shares |
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750,000
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| Number of shares granted, value |
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$ 1,898,000
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| Stock-based compensation expense |
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$ 780,000
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| Exchange [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of convertible notes exchanged into common stock | ConvertibleNote |
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2
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| Promissory note principal amount |
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$ 434,000
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| Promissory notes accrued interest |
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8,000
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| Debt exchange conversion aggregate amount |
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35,000
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| (Loss) gain on debt conversion |
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$ 204,000
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| Shares holders blocker percentage |
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4.99%
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| Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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|
|
| Convertible notes converted into shares of common stock | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4,814,000
|
|
|
|
|
|
|
|
| Debt exchange conversion price per unit | $ / shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 1.70
|
|
|
|
$ 2.50
|
|
|
|
| (Loss) gain on debt conversion |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 6,472,000
|
|
|
|
|
|
|
|
| Debt and related derivative liability at the time of extinguishment |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8,341,000
|
|
|
|
|
|
|
|
| Debt conversion |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 1,869,000
|
|
|
|
|
|
|
|
| Common stock issued | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,068,000
|
575,000
|
|
|
|
|
|
|
| Stock repurchased | shares |
|
|
|
|
|
|
|
|
|
|
|
|
70,000
|
|
|
|
|
|
|
|
|
|
|
| Stock retired | shares |
|
|
|
|
|
|
|
|
|
|
|
|
70,000
|
|
|
|
|
|
|
|
|
|
|
| Stock repurchased and retired value |
|
|
|
|
|
|
|
|
|
|
|
|
$ 28,000
|
|
|
|
|
|
|
|
|
|
|
| Reverse stock split description |
|
1-for-10
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Reverse stock split, conversion ratio |
|
0.1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock issued during period, shares, reverse stock splits | shares |
|
2,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Warrants exercisable into shares of common stock | shares |
|
|
|
|
|
|
|
|
247,000
|
247,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise price of warrants, per share | $ / shares |
|
|
|
|
|
|
|
|
$ 0.50
|
$ 0.50
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Debt exchange conversion price per unit | $ / shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 1.70
|
|
|
|
$ 2.50
|
|
|
|
| Expected annualized volatility rate, minimum |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
95.00%
|
|
|
|
|
|
| Expected annualized volatility rate maximum |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
108.00%
|
|
|
|
|
|
| Expected annualized volatility rate |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
107.00%
|
|
|
|
|
|
|
| Common Stock [Member] | Private Placement |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common stock issued | shares |
|
|
|
|
576,000
|
576,000
|
576,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock [Member] | Director |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common stock issued | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
80,000,000
|
|
|
|
|
|
|
|
|
|
| Number of shares granted, value |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 106,000
|
|
|
|
|
|
|
|
|
|
| Common Stock [Member] | Former Executive |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common stock issued | shares |
|
|
28,000
|
|
|
28,000
|
|
28,000
|
|
28,000
|
54,000
|
54,000
|
|
54,000
|
|
|
|
|
|
|
|
|
|
| Number of shares granted, value |
|
|
$ 89,000
|
|
|
$ 89,000
|
|
$ 89,000
|
|
$ 89,000
|
$ 57,000
|
$ 57,000
|
|
$ 57,000
|
|
|
|
|
|
|
|
|
|
| Common Stock [Member] | Sponsorship Agreement [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common stock issued | shares |
|
|
|
|
|
63,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of shares granted, value |
|
|
|
|
|
$ 250,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock [Member] | Other Expenses [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common stock issued | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,040,000
|
|
|
|
|
| Number of shares granted, value |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 415,000
|
|
|
|
|
| Common Stock [Member] | Simply Mac, Inc. [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common stock issued | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,040,000
|
|
|
|
|
|
|
|
| Common Stock [Member] | Exchange [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Convertible notes converted into shares of common stock | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
86,800
|
|
|
|
|
|
|
|
| Debt exchange conversion price per unit | $ / shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 5.10
|
|
|
|
|
|
|
|
| Common stock issued | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5,882,000
|
|
|
|
|
|
|
|
| Shares delivered | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
270,000
|
|
|
|
|
|
|
|
| Shares remain to be delivered | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5,612,000
|
|
|
|
|
|
|
|
| Debt exchange conversion price per unit | $ / shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 5.10
|
|
|
|
|
|
|
|
| Warrants [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Convertible notes converted into shares of common stock | shares |
|
|
|
|
|
|
|
|
|
|
453,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock issued during period, shares |
|
|
|
|
|
|
|
|
|
|
$ 227,000
|
|
|
|
|
|
|
|
|
|
|
|
|
| Series A Convertible Preferred Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Preferred stock, shares authorized | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10,000,000
|
|
|
|
|
|
|
| Preferred stock, shares outstanding | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,000,000
|
|
|
|
|
|
|
| Percentage of outstanding shares authorized for issuance |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.00%
|
|
|
|
|
|
|
| Preferred stock, conversion basis |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
The preferred shares are essentially convertible into common stock of the Company on a one-for-one basis at the election of the holder.
|
|
|
|
|
|
|