RELATED-PARTY TRANSACTIONS - Narrative (Details)								3 Months Ended		12 Months Ended
	Jul. 09, 2022 USD ($)	Feb. 01, 2022 USD ($)	Nov. 02, 2021 USD ($)	Aug. 02, 2021 USD ($)	Jul. 09, 2021 USD ($)	May 10, 2021 USD ($)	May 09, 2021 USD ($)	Mar. 31, 2022 USD ($) $ / T owner T	Mar. 31, 2021 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Due to related parties								$ 1,499,306		$ 1,499,306	$ 1,430,659
Coal Valley Properties, LLC
Related Party Transaction [Line Items]
Number of owners | owner								1
Q Power LLC | Coal Reclamation Partnership
Related Party Transaction [Line Items]
Ownership percentage by noncontrolling owners								16.26%		16.26%
Affiliated Entity | Coal Valley Sales, LLC
Related Party Transaction [Line Items]
Due to related parties								$ 202,333		$ 202,333	202,333
Affiliated Entity | Coal Valley Properties, LLC
Related Party Transaction [Line Items]
Due to related parties								134,452		134,452	134,452
Affiliated Entity | Northampton Generating Co LP
Related Party Transaction [Line Items]
Due to related parties								136,108		136,108	321,738
Affiliated Entity | Panther Creek Fuel Services
Related Party Transaction [Line Items]
Due to related parties								76,582		76,582	47,967
Affiliated Entity | Scrubgrass Fuel Services, LLC
Related Party Transaction [Line Items]
Due to related parties								20,276		20,276	0
Affiliated Entity | Olympus Services LLC
Related Party Transaction [Line Items]
Expenses from transactions with related party								228,598
Due to related parties								0		0	129,735
Affiliated Entity | Panther Creek Energy Services
Related Party Transaction [Line Items]
Due to related parties								192,840		192,840	94,434
Affiliated Entity | Scrubgrass Energy Services, LLC
Related Party Transaction [Line Items]
Due to related parties								$ 236,715		236,715	0
Affiliated Entity | Waste Coal Agreement (the “WCA”) | Coal Valley Sales, LLC
Related Party Transaction [Line Items]
Waste coal annual quantity committed (in ton) | T								200,000
Waste coal, handling fee (in USD per ton) | $ / T								6.07
Waste coal commitment, units in excess of annual commitment, price per unit (in USD per ton) | $ / T								1.00
Waste coal commitment, monthly payments									$ 25,000
Waste coal commitment, semi-monthly minimum payments										$ 51,000
Expenses from transactions with related party								$ 303,500
Affiliated Entity | Fuel Service and Beneficial Use Agreement ("FBUA") | Northampton Fuel Supply Company, Inc.
Related Party Transaction [Line Items]
Expenses from transactions with related party								379,646
Affiliated Entity | Fuel Management Agreement | Panther Creek Fuel Services
Related Party Transaction [Line Items]
Expenses from transactions with related party								398,769
Affiliated Entity | Fuel Management Agreement | Scrubgrass Fuel Services, LLC
Related Party Transaction [Line Items]
Expenses from transactions with related party								96,624
Affiliated Entity | Management Fee | Olympus Stronghold Services, LLC
Related Party Transaction [Line Items]
Expenses from transactions with related party			$ 1,000,000
Affiliated Entity | Management Fee | Panther Creek Energy Services
Related Party Transaction [Line Items]
Expenses from transactions with related party				$ 175,000	$ 250,000
Related party transaction, period					12 months
Affiliated Entity | Management Fee | Panther Creek Energy Services | Forecast
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 325,000
Affiliated Entity | Management Fee | Scrubgrass Energy Services, LLC
Related Party Transaction [Line Items]
Expenses from transactions with related party		$ 175,000			$ 250,000
Related party transaction, period					12 months
Affiliated Entity | Management Fee | Scrubgrass Energy Services, LLC | Forecast
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 325,000
Affiliated Entity | Mobilization Fee | Olympus Stronghold Services, LLC
Related Party Transaction [Line Items]
Expenses from transactions with related party			$ 150,000
Affiliated Entity | Operations and Maintenance Agreement | Panther Creek Energy Services
Related Party Transaction [Line Items]
Expenses from transactions with related party								887,824
Affiliated Entity | Operations and Maintenance Agreement | Scrubgrass Energy Services, LLC
Related Party Transaction [Line Items]
Expenses from transactions with related party								857,913
Affiliated Entity | Management Services Agreement | William Spence
Related Party Transaction [Line Items]
Expenses from transactions with related party								150,000
Affiliated Entity | Management Services Agreement | Q Power LLC | William Spence
Related Party Transaction [Line Items]
Monthly management fee						$ 50,000	$ 25,000
Chief Executive Officer | Beard Aviation LLC
Related Party Transaction [Line Items]
Expenses from transactions with related party								$ 0			$ 69,000