CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows from Operating Activities:
Net income (loss)	$ 14,230	$ (59,819)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss from discontinued operations	0	18,606
Oil and gas lease expirations	2,053	5,827
Depletion, depreciation, amortization and accretion	13,500	12,241
Loss on derivatives	54,825	38,812
Settlements on derivative contracts	(34,389)	2,579
Amortization of deferred financing costs	473	316
Unit-based compensation expense	0	689
Share-based compensation expense	1,968	4,571
Deferred income tax expense	2,863	12,938
Changes in operating assets and liabilities:
Accounts receivable	(8,309)	(3,477)
Accounts receivable – related parties	(650)	(122)
Prepaid expenses and other current assets	(2,333)	(433)
Accounts payable and accrued liabilities	2,851	1,366
Accounts payable - related parties	(443)	0
Revenue payable	4,429	3,253
Other current liabilities	654	799
Net Cash Provided by Operating Activities - Continuing Operations	51,722	38,146
Cash Flows from Investing Activities:
Additions to oil and natural gas properties	(39,182)	(17,133)
Acquisitions of oil and natural gas properties	0	(171)
Additions to other property and equipment	(145)	(380)
Tengasco acquired cash	0	859
Net Cash Used in Investing Activities - Continuing Operations	(39,327)	(16,825)
Cash Flows from Financing Activities:
Deferred financing costs	(299)	(129)
Proceeds from revolving credit facility	8,000	5,500
Repayment under revolving credit facility	(5,000)	(9,000)
Payment of common share/unit dividends	(12,196)	(7,841)
Payment of preferred unit dividends	0	(1,491)
Common stock repurchased for tax withholding	(358)	0
Purchase of common units under long-term incentive plan	0	(191)
Net Cash Used in Financing Activities - Continuing Operations	(9,853)	(13,152)
Net Increase in Cash and Cash Equivalents from Continuing Operations	2,542	8,169
Cash Flows from Discontinued Operations:
Operating activities	0	238
Investing activities	0	(5)
Net Increase in Cash and Cash Equivalents from Discontinued Operations	0	233
Net Increase in Cash and Cash Equivalents	2,542	8,402
Cash and Cash Equivalents, Beginning of Period	17,067	1,660
Cash and Cash Equivalents, End of Period	19,609	10,062
Cash Paid For:
Interest, net of capitalized interest	873	1,856
Non-cash Investing and Financing Activities - Continuing Operations:
Changes in capital expenditures in accounts payable and accrued liabilities	6,601	9,471
Preferred unit dividends paid in kind	0	904
Dividends declared on common shares	0	4,991
Common stock issued in exchange for common units	0	192,191
Assets acquired and liabilities assumed in business combination	0	3,497
Common shares issued for business combination	0	26,392
Preferred units converted to common units	0	61,196
Non-cash Investing - Discontinued Operations:
Goodwill incurred in business combination	0	19,057
Assets acquired and liabilities assumed in business combination	$ 0	$ 2,978