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v3.21.1

Debt (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 24, 2020 | Dec. 27, 2017 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2017
Short-term Debt [Line Items] |  |  |  |  |
Outstanding common stock, percentage |  |  |  |  | 49.30%
Common stock, par value |  |  | $ 0.01 | $ 0.01 |
Amortization of debt issuance costs |  |  |  | $ 7 |
APEG Energy II LP [Member] | Secured Promissory Note [Member] |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 375 |  |  |  |
Debt instrument, interest rate during period | 10.00% |  |  |  |
Debt instrument, maturity date | Sep. 24, 2021 |  |  |  |
Prepayment penalty, percentage | 10.00% |  |  |  |
Outstanding common stock, percentage | 18.00% |  |  |  |
Interest expense |  |  | $ 10 |  |
Energy One [Member] | Credit Facility [Member] |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |
Interest expense |  |  |  | 20 |
Amortization of debt issuance costs |  |  |  | $ 7 |
Weighted average interest rate |  |  | 8.75% |  |
Exchange Agreement [Member] | Energy One and APEG Energy II, L.P. [Member] |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |
Outstanding amount of credit facility |  | $ 4,500 |  |  |
Number of share issued |  | 581,927 |  |  |
Common stock, par value |  | $ 0.01 |  |  |
Exchange price |  | $ 7.67 |  |  |
Volume weighted average price percentage |  | 1.30% |  |  |

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