Amount of periodic payment extended under debt instrument.

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- Definition

The percentage of gross sales that will be paid out as a royalty payment per certain agreements.

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- Definition

The maximum value of equity sales available in a registration.

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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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- Definition

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

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- Definition

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

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- Definition

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 of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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No definition available.

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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.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Per share or per unit amount of equity securities issued.

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No definition available.

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Number of new stock issued during the period.

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Note 19 - Subsequent Events (Details Textual) - USD ($)					1 Months Ended			2 Months Ended
Note 19 - Subsequent Events (Details Textual) - USD ($)	Dec. 31, 2022	May 16, 2022	May 10, 2022	Apr. 29, 2022	May 31, 2022	May 16, 2022	Apr. 30, 2022	Jul. 10, 2022	Apr. 28, 2022	Apr. 20, 2022	Mar. 31, 2022
Sale of Equity, Registration, Maximum Value											$ 112,000,000.0
Debt Instrument, Face Amount											$ 105,000
Forecast [Member] \| Discontinued Operations, Disposed of by Sale [Member] \| Orbital Gas Systems Limited [Member]
Proceeds from Divestiture of Businesses								$ 1,500,000
Forecast [Member] \| Seller Financed Notes Payable - Front Line Power Acquisition [Member]
Debt Instrument, Periodic Payment, Extended	$ 15,000,000
Forecast [Member] \| Prefunded Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)					7,153,847
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)					$ 1.30
Forecast [Member] \| Accompanying Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)					16,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)					$ 1.30
Securities Purchase Agreement [Member] \| Forecast [Member]
Stock Issued During Period, Shares, New Issues (in shares)					9,000,000
Shares Issued, Price Per Share (in dollars per share)					$ 1.30
Subsequent Event [Member] \| 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			$ 1,500,000
Royalty Payment, Percent of Gross Sales			15.00%
Subsequent Event [Member] \| Seller Financed Notes Payable - Front Line Power Acquisition [Member]
Repayments of Long-Term Debt, Total				$ 20,000,000
Debt Instrument, Periodic Payment, Total		$ 35,000,000
Subsequent Event [Member] \| Non-recourse Financing Agreements for the Sale of Future Revenues [Member]
Repayments of Long-Term Debt, Total							$ 4,200,000
Debt Instrument, Face Amount							20,200,000
Proceeds from Issuance of Long-term Debt, Total							$ 13,300,000
Subsequent Event [Member] \| Non-recourse Financing Agreements for the Sale of Future Revenues [Member] \| Minimum [Member]
Debt Instrument, Term (Month)							182 days
Subsequent Event [Member] \| Non-recourse Financing Agreements for the Sale of Future Revenues [Member] \| Maximum [Member]
Debt Instrument, Term (Month)							336 days
Subsequent Event [Member] \| Sales Agreement [Member]
Sale of Equity, Registration, Maximum Value										$ 50,000,000
Stock Issued During Period, Shares, New Issues (in shares)						0
Subsequent Event [Member] \| Securities Purchase Agreement [Member]
Sale of Equity, Registration, Maximum Value									$ 21,000,000