Note 1 - Nature of Operations, Basis of Presentation and Company Conditions (Details Textual) |
2 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
May 11, 2022
USD ($)
|
Jul. 10, 2022
USD ($)
|
Sep. 30, 2022
USD ($)
|
Sep. 30, 2021
USD ($)
|
Jun. 30, 2022
USD ($)
|
Sep. 30, 2022
USD ($)
|
Sep. 30, 2021
USD ($)
|
May 11, 2022
GBP (£)
|
Dec. 31, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
|
| Retained Earnings (Accumulated Deficit), Total | $ (421,424,000) | $ (421,424,000) | $ (210,934,000) | |||||||
| Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent, Total | (141,567,000) | $ (9,498,000) | (208,331,000) | $ (34,125,000) | ||||||
| Net Cash Provided by (Used in) Operating Activities, Total | (13,355,000) | (36,806,000) | ||||||||
| Working Capital | (118,700,000) | (118,700,000) | ||||||||
| Cash and Cash Equivalents, at Carrying Value, Total | 27,960,000 | 11,179,000 | 27,960,000 | 11,179,000 | 26,865,000 | $ 3,046,000 | ||||
| Sale of Equity, Registration, Maximum Value | 68,800,000 | 68,800,000 | ||||||||
| Finance Lease, Impairment Loss | 4,467,000 | $ 0 | 4,467,000 | $ 0 | ||||||
| Finance Lease, Future Payments | 5,200,000 | 5,200,000 | ||||||||
| Percentage of Drop in Stock Price | 42.00% | |||||||||
| Goodwill, Impairment Loss | $ 0 | 95,951,000 | ||||||||
| Accrued Liabilities, Current, Total | 30,296,000 | $ 30,296,000 | $ 28,301,000 | |||||||
| Electric Power Segment [Member] | ||||||||||
| Goodwill, Impairment Loss | 70,100,000 | |||||||||
| Telecommunications Segment [Member] | ||||||||||
| Goodwill, Impairment Loss | $ 25,800,000 | |||||||||
| Discontinued Operations, Disposed of by Sale [Member] | Orbital Gas Systems Limited [Member] | ||||||||||
| Disposal Group, Including Discontinued Operation, Consideration | £ | £ 3,000,000 | |||||||||
| Proceeds from Divestiture of Businesses | $ 1,575,000 | $ 1,425,000 | ||||||||
| Royalty Payment, Percent of Gross Sales | 15.00% | |||||||||
| X | ||||||||||
- Definition Amount of future payment for finance lease. No definition available.
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| X | ||||||||||
- Definition Percentage of drop in stock price. No definition available.
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| X | ||||||||||
- Definition The percentage of gross sales that will be paid out as a royalty payment per certain agreements. No definition available.
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| X | ||||||||||
- Definition The maximum value of equity sales available in a registration. No definition available.
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| X | ||||||||||
- Definition The capital of a business that is used in its day-to-day trading operations, calculated as the current assets minus the current liabilities. No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. No definition available.
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| X | ||||||||||
- Definition Amount of impairment loss from right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax of income (loss) from continuing operations attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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