Nature of Operations and Recent Events - Operations & Oil and Natural Gas Prices and Drilling Activity (Details) $ / shares in Units, shares in Millions							1 Months Ended	6 Months Ended	8 Months Ended	9 Months Ended
	Jan. 01, 2021	Oct. 26, 2020 $ / bbl	Jun. 05, 2020 USD ($) $ / shares	Jun. 04, 2020 USD ($)	Apr. 20, 2020 $ / bbl	Mar. 11, 2020	Jun. 30, 2020 drilling_rig	Sep. 30, 2020 USD ($) drilling_rig executive number_of_directors $ / shares shares	Dec. 31, 2020	Sep. 30, 2020 USD ($) drilling_rig executive number_of_directors $ / shares	Sep. 30, 2019 USD ($)	Apr. 27, 2020 USD ($)	Mar. 31, 2020 drilling_rig	Dec. 31, 2019 number_of_directors $ / shares
Property, Plant and Equipment [Line Items]
Market price of oil (in dollars per barrel) | $ / bbl					(37.63)
Number of oil and natural gas rigs | drilling_rig							6						22
Average number of oil and natural gas rigs | drilling_rig								4.4		4.4
Reduction in executive management positions | executive								2		2
Reduction in number of directors | number_of_directors								5		5				7
Reduction of headcount for non-field based personnel, percent										40.00%
Social security tax, employer, deferral, CARES Act										$ 500,000
Line of credit, additional payment as a percentage of principal				0.75%			0.75%
Due to related party, deferred payment				$ 2,900,000
Common stock, par value (usd per share) | $ / shares			$ 0.01					$ 0.01		$ 0.01				$ 0.01
Maximum aggregate offering price for sale of stock			$ 11,000,000
Proceeds from issuance of common stock								$ 11,000,000		$ 10,978,000	$ 0
Number of shares issued (in shares) | shares								2.4
Sale of stock, price per share (in dollars per share) | $ / shares								$ 4.66		$ 4.66
Stock split, conversion ratio						0.05
Subsequent Event
Property, Plant and Equipment [Line Items]
Market price of oil (in dollars per barrel) | $ / bbl		38.39
Forecast
Property, Plant and Equipment [Line Items]
Deferred payment, interest accrual rate	25.00%								15.00%
AC Powered Rigs
Property, Plant and Equipment [Line Items]
Number of rigs | drilling_rig								29		29
Line of credit | PPP Loan
Property, Plant and Equipment [Line Items]
Line of credit, maximum borrowing capacity												$ 10,000,000.0