XML 44 R34.htm IDEA: XBRL DOCUMENT v3.21.4
Note 10 - Supplemental Financial Data - Oil and Gas Producing Activities (Unaudited): Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure (Tables)
12 Months Ended
Sep. 30, 2021
Tables/Schedules  
Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure

 

September 30, 2021

Proved properties

 

$333,000  

Accumulated depreciation, depletion, amortization and valuation allowance

 

(290,000) 

Net capitalized cost

 

$43,000