CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 44,621	$ 19,712
Accounts receivable, net	24,464	26,298
Assets from derivative contracts	13,717	6,969
Restricted cash	91	91
Prepaids and other	569	982
Total current assets	83,462	54,052
Oil and natural gas properties (full cost method):
Evaluated	876,736	816,186
Unevaluated	49,091	49,091
Gross oil and natural gas properties	925,827	865,277
Less: accumulated depletion	(523,500)	(497,272)
Net oil and natural gas properties	402,327	368,005
Other operating property and equipment:
Other operating property and equipment	4,677	4,663
Less: accumulated depreciation	(2,696)	(2,455)
Net other operating property and equipment	1,981	2,208
Other noncurrent assets:
Assets from derivative contracts	6,344	4,052
Operating lease right of use assets	1,000	453
Other assets	3,667	2,278
Total assets	498,781	431,048
Current liabilities:
Accounts payable and accrued liabilities	62,286	52,682
Liabilities from derivative contracts	4,483	12,330
Current portion of long-term debt	22,553	12,246
Operating lease liabilities	720	406
Total current liabilities	90,042	77,664
Long-term debt, net	191,467	145,535
Other noncurrent liabilities:
Liabilities from derivative contracts	4,764	6,954
Asset retirement obligations	19,812	19,156
Operating lease liabilities	307	84
Commitments and contingencies (Note 9)
Temporary equity:
Redeemable convertible preferred stock: 138,000 shares of $0.0001 par value authorized, issued and outstanding at June 30, 2025 and December 31, 2024	197,625	177,535
Stockholders' equity:
Common stock: 100,000,000 shares of $0.0001 par value authorized; 16,456,563 shares issued and outstanding at June 30, 2025 and December 31, 2024	2	2
Additional paid-in capital	268,818	288,993
Accumulated deficit	(274,056)	(284,875)
Total stockholders' (deficit) equity	(5,236)	4,120
Total liabilities, temporary equity and stockholders' equity	$ 498,781	$ 431,048

Amount of accumulated depletion, and impairment of oil and gas property carried under the full cost method.

No definition available.

Name:	batl_OilAndGasPropertyFullCostMethodAccumulatedDepletionAndImpairment
Namespace Prefix:	batl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.