Note 4 - Commitments and Contingencies (Details Textual)	1 Months Ended
	Feb. 28, 2021 USD ($)	Mar. 31, 2022 $ / Mcf	Apr. 30, 2020 USD ($)
Oil and Gas, Delivery Commitment, Supply Dedicated or Contracted		517,500
Oil and Gas Delivery Commitments and Contracts, Fixed Price (in USD per Thousands Cubic Feet) | $ / Mcf		4.29
Paycheck Protection Program CARES Act [Member]
Other Short-term Borrowings			$ 326,932
Debt Instrument, Decrease, Forgiveness	$ 326,932